diff --git a/Framework/include/QualityControl/TaskRunnerFactory.h b/Framework/include/QualityControl/TaskRunnerFactory.h
index d50e1f9559..35da104fba 100644
--- a/Framework/include/QualityControl/TaskRunnerFactory.h
+++ b/Framework/include/QualityControl/TaskRunnerFactory.h
@@ -23,7 +23,7 @@
 
 namespace o2::framework
 {
-struct CompletionPolicy;
+class CompletionPolicy;
 }
 
 namespace o2::quality_control::core