diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerImpl.java b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerImpl.java
index 1ab5071acdf3..2abd87e8415c 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerImpl.java
@@ -137,7 +137,9 @@ public class VirtualFilePointerImpl extends UserDataHolderBase implements Virtua
     @Override
     public void printStackTrace(PrintStream s) {
       //noinspection IOResourceOpenedButNotSafelyClosed
-      printStackTrace(new PrintWriter(s));
+      PrintWriter writer = new PrintWriter(s);
+      printStackTrace(writer);
+      writer.flush();
     }
 
     @Override