diff --git a/ChangeLog b/ChangeLog
index 3546b9b04..bb59d3bb3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-09  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Increased DOMAIN_EVICTION_TRIGGER to 2000
+	* src/CookieStorage.cc
+	* test/CookieStorageTest.cc
+
 2010-07-09  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Added Chromium/Google Chrome Cookies file support. Thanks to
diff --git a/src/CookieStorage.cc b/src/CookieStorage.cc
index 96d105343..730a589cb 100644
--- a/src/CookieStorage.cc
+++ b/src/CookieStorage.cc
@@ -110,7 +110,7 @@ CookieStorage::CookieStorage():logger_(LogFactory::getInstance()) {}
 CookieStorage::~CookieStorage() {}
 
 // See CookieStorageTest::testDomainIsFull() in CookieStorageTest.cc
-static const size_t DOMAIN_EVICTION_TRIGGER = 600;
+static const size_t DOMAIN_EVICTION_TRIGGER = 2000;
 
 static const double DOMAIN_EVICTION_RATE = 0.1;
 
diff --git a/test/CookieStorageTest.cc b/test/CookieStorageTest.cc
index 4143c6391..601ed3fcc 100644
--- a/test/CookieStorageTest.cc
+++ b/test/CookieStorageTest.cc
@@ -370,11 +370,11 @@ void CookieStorageTest::testDomainIsFull()
   // See DOMAIN_EVICTION_TRIGGER and DOMAIN_EVICTION_RATE in
   // CookieStorage.cc
   CookieStorage st;
-  for(size_t i = 0; i < 601; ++i) {
+  for(size_t i = 0; i < 2001; ++i) {
     Cookie c("k", "v", "/", "domain"+util::itos(i), false);
     st.store(c);
   }
-  CPPUNIT_ASSERT_EQUAL((size_t)541, st.size());
+  CPPUNIT_ASSERT_EQUAL((size_t)1801, st.size());
 }
 
 } // namespace aria2