diff --git a/src/HttpRequest.cc b/src/HttpRequest.cc
index b013b1a78..e8424397c 100644
--- a/src/HttpRequest.cc
+++ b/src/HttpRequest.cc
@@ -154,12 +154,7 @@ std::string HttpRequest::createRequest()
       requestLine += getCurrentURI();
     }
   } else {
-    if(getDir() == A2STR::SLASH_C) {
-      requestLine += getDir();
-    } else {
-      requestLine += getDir();
-      requestLine += A2STR::SLASH_C;
-    }
+    requestLine += getDir();
     requestLine += getFile();
     requestLine += getQuery();
   }
@@ -231,12 +226,7 @@ std::string HttpRequest::createRequest()
   if(cookieStorage_) {
     std::string cookiesValue;
     std::string path = getDir();
-    if(getDir() == "/") {
-      path += getFile();
-    } else {
-      path += "/";
-      path += getFile();
-    }
+    path += getFile();
     std::vector<Cookie> cookies =
       cookieStorage_->criteriaFind(getHost(), path,
                                    Time().getTime(),
diff --git a/src/uri.cc b/src/uri.cc
index 300c33ace..5c97d5e75 100644
--- a/src/uri.cc
+++ b/src/uri.cc
@@ -102,15 +102,15 @@ void swap(UriStruct& lhs, UriStruct& rhs)
 bool parse(UriStruct& result, const std::string& uri)
 {
   // http://user:password@aria2.sourceforge.net:80/dir/file?query#fragment
-  //        |            ||                    || |   |    |     |
-  //        |            ||             hostLast| |   |    |     |
-  //        |            ||              portFirst|   |    |     |
-  //    authorityFirst   ||             authorityLast |    |     |
-  //                     ||                       |   |    |     |
-  //                   userInfoLast               |   |    |     |
-  //                      |                       |   |    |     |
-  //                     hostPortFirst            |   |    |     |
-  //                                              |   |    |     |
+  //        |            ||                    || |    |   |     |
+  //        |            ||             hostLast| |    |   |     |
+  //        |            ||              portFirst|    |   |     |
+  //    authorityFirst   ||             authorityLast  |   |     |
+  //                     ||                       |    |   |     |
+  //                   userInfoLast               |    |   |     |
+  //                      |                       |    |   |     |
+  //                     hostPortFirst            |    |   |     |
+  //                                              |    |   |     |
   //                                       dirFirst dirLast|     |
   //                                                       |     |
   //                                                queryFirst fragmentFirst
@@ -231,32 +231,19 @@ bool parse(UriStruct& result, const std::string& uri)
   for(std::string::const_iterator i = authorityLast;
       i != queryFirst; ++i) {
     if(*i == '/') {
-      dirLast = i;
+      dirLast = i+1;
     }
   }
   if(dirLast == queryFirst) {
     result.file = A2STR::NIL;
   } else {
-    result.file.assign(dirLast+1, queryFirst);
+    result.file.assign(dirLast, queryFirst);
   }
-  // Erase duplicated slashes.
-  std::string::const_iterator dirFirst = authorityLast;
-  for(; dirFirst != dirLast; ++dirFirst) {
-    if(*dirFirst != '/') {
-      --dirFirst;
-      break;
-    }
-  }
-  for(; dirLast != dirFirst; --dirLast) {
-    if(*dirLast != '/') {
-      ++dirLast;
-      break;
-    }
-  }
-  if(dirFirst == dirLast) {
-    result.dir = A2STR::SLASH_C;
+  // dirFirst == authorityLast
+  if(authorityLast == dirLast) {
+    result.dir = "/";
   } else {
-    result.dir.assign(dirFirst, dirLast);
+    result.dir.assign(authorityLast, dirLast);
   }
   return true;
 }
@@ -284,8 +271,7 @@ std::string construct(const UriStruct& us)
   uint16_t defPort= FeatureConfig::getInstance()->
     getDefaultPort(us.protocol);
   if(us.port != 0 && defPort != us.port) {
-    res += ":";
-    res += util::uitos(us.port);
+    res += fmt(":%u", us.port);
   }
   res += us.dir;
   if(us.dir.empty() || us.dir[us.dir.size()-1] != '/') {
diff --git a/test/RequestTest.cc b/test/RequestTest.cc
index 9cb7b4462..dfe141067 100644
--- a/test/RequestTest.cc
+++ b/test/RequestTest.cc
@@ -187,7 +187,7 @@ void RequestTest::testResetUri()
   CPPUNIT_ASSERT_EQUAL(std::string("http"), req.getProtocol());
   CPPUNIT_ASSERT_EQUAL((uint16_t)8080, req.getPort());
   CPPUNIT_ASSERT_EQUAL(std::string("aria.rednoah.com"), req.getHost());
-  CPPUNIT_ASSERT_EQUAL(std::string("/aria2"), req.getDir());
+  CPPUNIT_ASSERT_EQUAL(std::string("/aria2/"), req.getDir());
   CPPUNIT_ASSERT_EQUAL(std::string("index.html"), req.getFile());
   CPPUNIT_ASSERT_EQUAL(std::string(""), req.getQuery());
 }
diff --git a/test/UriTest.cc b/test/UriTest.cc
index 8a2efc124..60de54c63 100644
--- a/test/UriTest.cc
+++ b/test/UriTest.cc
@@ -111,7 +111,7 @@ void UriTest::testSetUri3()
   CPPUNIT_ASSERT_EQUAL(std::string("http"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)80, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("aria.rednoah.com"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/aria2"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/aria2/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("index.html"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.query);
 }
@@ -125,7 +125,7 @@ void UriTest::testSetUri4()
   CPPUNIT_ASSERT_EQUAL(std::string("http"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)80, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("aria.rednoah.com"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/aria2/aria3"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/aria2/aria3/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("index.html"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.query);
 }
@@ -139,7 +139,7 @@ void UriTest::testSetUri5()
   CPPUNIT_ASSERT_EQUAL(std::string("http"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)80, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("aria.rednoah.com"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/aria2/aria3"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/aria2/aria3/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.query);
 }
@@ -153,7 +153,7 @@ void UriTest::testSetUri6()
   CPPUNIT_ASSERT_EQUAL(std::string("http"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)80, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("aria.rednoah.com"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/aria2"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/aria2/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("aria3"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.query);
 }
@@ -251,7 +251,7 @@ void UriTest::testSetUri15()
   CPPUNIT_ASSERT(v);
   CPPUNIT_ASSERT_EQUAL(std::string("http"), us.protocol);
   CPPUNIT_ASSERT_EQUAL(std::string("host"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/dir1/dir2"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("//dir1/dir2//"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("file"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.query);
 }
@@ -264,7 +264,7 @@ void UriTest::testSetUri16()
   CPPUNIT_ASSERT(v);
   CPPUNIT_ASSERT_EQUAL(std::string("http"), us.protocol);
   CPPUNIT_ASSERT_EQUAL(std::string("host"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("//"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("file"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.query);
 }
@@ -306,7 +306,7 @@ void UriTest::testSetUri_zeroUsername()
   CPPUNIT_ASSERT_EQUAL(std::string("ftp"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)21, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("localhost"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/download"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/download/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2-1.0.0.tar.bz2"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.username);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.password);
@@ -315,7 +315,7 @@ void UriTest::testSetUri_zeroUsername()
   CPPUNIT_ASSERT_EQUAL(std::string("ftp"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)21, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("localhost"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/download"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/download/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2-1.0.0.tar.bz2"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.username);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.password);
@@ -325,7 +325,7 @@ void UriTest::testSetUri_zeroUsername()
   CPPUNIT_ASSERT_EQUAL(std::string("ftp"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)21, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("localhost"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/download"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/download/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2-1.0.0.tar.bz2"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.username);
   CPPUNIT_ASSERT_EQUAL(std::string("pass"), us.password);
@@ -340,7 +340,7 @@ void UriTest::testSetUri_username()
   CPPUNIT_ASSERT_EQUAL(std::string("ftp"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)21, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("localhost"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/download"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/download/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2-1.0.0.tar.bz2"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2@user"), us.username);
   CPPUNIT_ASSERT_EQUAL(std::string(""), us.password);
@@ -355,7 +355,7 @@ void UriTest::testSetUri_usernamePassword()
   CPPUNIT_ASSERT_EQUAL(std::string("ftp"), us.protocol);
   CPPUNIT_ASSERT_EQUAL((uint16_t)21, us.port);
   CPPUNIT_ASSERT_EQUAL(std::string("localhost"), us.host);
-  CPPUNIT_ASSERT_EQUAL(std::string("/download"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/download/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2-1.0.0.tar.bz2"), us.file);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2@user@"), us.username);
   CPPUNIT_ASSERT_EQUAL(std::string("aria2@pass@"), us.password);
@@ -376,7 +376,7 @@ void UriTest::testSetUri_ipv6()
   CPPUNIT_ASSERT(parse(us, "http://[::1]:8000/dir/file"));
   CPPUNIT_ASSERT_EQUAL(std::string("::1"), us.host);
   CPPUNIT_ASSERT_EQUAL((uint16_t)8000, us.port);
-  CPPUNIT_ASSERT_EQUAL(std::string("/dir"), us.dir);
+  CPPUNIT_ASSERT_EQUAL(std::string("/dir/"), us.dir);
   CPPUNIT_ASSERT_EQUAL(std::string("file"), us.file);
   CPPUNIT_ASSERT(us.ipv6LiteralAddress);
 }