diff --git a/src/plugins/cpptools/cpptoolseditorsupport.cpp b/src/plugins/cpptools/cpptoolseditorsupport.cpp
index 08377b2fabd..e6538196c70 100644
--- a/src/plugins/cpptools/cpptoolseditorsupport.cpp
+++ b/src/plugins/cpptools/cpptoolseditorsupport.cpp
@@ -422,6 +422,8 @@ void CppEditorSupport::recalculateSemanticInfoNow(const SemanticInfo::Source &so
                 doc->control()->setTopLevelDeclarationProcessor(processor);
             doc->check();
             semanticInfo.doc = doc;
+        } else {
+            return;
         }
     }