diff --git a/src/libs/utils/mapreduce.h b/src/libs/utils/mapreduce.h
index 9f655a5aa0e..8c5452f79dc 100644
--- a/src/libs/utils/mapreduce.h
+++ b/src/libs/utils/mapreduce.h
@@ -77,7 +77,8 @@ public:
 
     void exec()
     {
-        if (schedule()) // do not enter event loop for empty containers
+        // do not enter event loop for empty containers or if already canceled
+        if (!m_futureInterface.isCanceled() && schedule())
             m_loop.exec();
     }