diff --git a/src/main/java/com/checkmarx/intellij/tool/window/actions/StartScanAction.java b/src/main/java/com/checkmarx/intellij/tool/window/actions/StartScanAction.java
index 019ec966..4e0ae10f 100644
--- a/src/main/java/com/checkmarx/intellij/tool/window/actions/StartScanAction.java
+++ b/src/main/java/com/checkmarx/intellij/tool/window/actions/StartScanAction.java
@@ -206,7 +206,9 @@ public void run(@NotNull ProgressIndicator indicator) {
             @Override
             public void onCancel() {
                 super.onCancel();
-                pollScanExecutor.shutdown();
+                if (pollScanExecutor != null) {
+                    pollScanExecutor.shutdown();
+                }
             }
 
             @Override