diff --git a/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java b/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java
index b4975925ad3c..47c0cdcc6ed2 100644
--- a/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java
+++ b/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java
@@ -70,7 +70,7 @@ public class RepositoryHelper {
         indicator.checkCanceled();
       }
 
-      if (connection.getResponseCode() == 304) {
+      if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) {
         return loadPluginList(pluginListFile);
       }