diff --git a/platform/platform-impl/src/com/intellij/concurrency/JobImpl.java b/platform/platform-impl/src/com/intellij/concurrency/JobImpl.java
index 20bb2ba0691b..eb2a165a5d97 100644
--- a/platform/platform-impl/src/com/intellij/concurrency/JobImpl.java
+++ b/platform/platform-impl/src/com/intellij/concurrency/JobImpl.java
@@ -162,6 +162,7 @@ public class JobImpl<T> implements Job<T> {
       }
       catch (CancellationException ignore) {
         // already cancelled
+        cancel();
       }
       catch (ExecutionException e) {
         cancel();