diff --git a/platform/util/src/com/intellij/util/io/PersistentHashMapValueStorage.java b/platform/util/src/com/intellij/util/io/PersistentHashMapValueStorage.java
index 01a89d79f952..d5858dd19feb 100644
--- a/platform/util/src/com/intellij/util/io/PersistentHashMapValueStorage.java
+++ b/platform/util/src/com/intellij/util/io/PersistentHashMapValueStorage.java
@@ -94,7 +94,7 @@ public class PersistentHashMapValueStorage {
 
   private final CompressedAppendableFile myCompressedAppendableFile;
 
-  public static final boolean COMPRESSION_ENABLED = SystemProperties.getBooleanProperty("idea.compression.enabled", false);
+  public static final boolean COMPRESSION_ENABLED = SystemProperties.getBooleanProperty("idea.compression.enabled", true);
 
   public PersistentHashMapValueStorage(String path) throws IOException {
     myExceptionalIOCancellationCallback = CreationTimeOptions.EXCEPTIONAL_IO_CANCELLATION.get();