diff --git a/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java b/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
index 621a93fed474..22c2d3a57651 100644
--- a/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
+++ b/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
@@ -96,7 +96,7 @@ public class FindUsagesManager {
           return true;
         }
       }
-      catch (IndexNotReadyException e) {
+      catch (IndexNotReadyException | ProcessCanceledException e) {
         throw e;
       }
       catch (Exception e) {