diff --git a/platform/core-api/src/com/intellij/util/SlowOperations.java b/platform/core-api/src/com/intellij/util/SlowOperations.java
index 9bd9c6f54735..37943a198262 100644
--- a/platform/core-api/src/com/intellij/util/SlowOperations.java
+++ b/platform/core-api/src/com/intellij/util/SlowOperations.java
@@ -31,7 +31,7 @@ public final class SlowOperations {
     "org.jetbrains.kotlin.idea.codeInsight.KotlinCopyPasteReferenceProcessor",
     "com.intellij.apiwatcher.plugin.presentation.bytecode.UsageHighlighter",
   };
-  private static int ourAlwaysAllow;
+  private static int ourAlwaysAllow = -1;
   private static Frame ourStack;
 
   private SlowOperations() {}