diff --git a/src/libs/3rdparty/cplusplus/Parser.cpp b/src/libs/3rdparty/cplusplus/Parser.cpp
index 2f0bb6e4777..bf19628fd23 100644
--- a/src/libs/3rdparty/cplusplus/Parser.cpp
+++ b/src/libs/3rdparty/cplusplus/Parser.cpp
@@ -541,7 +541,7 @@ bool Parser::parseTranslationUnit(TranslationUnitAST *&node)
 
 
         if (TopLevelDeclarationProcessor *processor = _control->topLevelDeclarationProcessor()) {
-            if (processor->processDeclaration(declaration))
+            if (!processor->processDeclaration(declaration))
                 break;
         }
 
diff --git a/src/plugins/cpptools/cpptoolseditorsupport.cpp b/src/plugins/cpptools/cpptoolseditorsupport.cpp
index 451ff8eb8da..664d6761a53 100644
--- a/src/plugins/cpptools/cpptoolseditorsupport.cpp
+++ b/src/plugins/cpptools/cpptoolseditorsupport.cpp
@@ -584,7 +584,7 @@ void CppEditorSupport::recalculateSemanticInfoDetached_helper(QFutureInterface<v
         virtual ~TLDProc() {}
         virtual bool processDeclaration(DeclarationAST *ast) {
             Q_UNUSED(ast);
-            return m_theFuture.isCanceled();
+            return !m_theFuture.isCanceled();
         }
     };