diff --git a/src/plugins/cpptools/cppcurrentdocumentfilter.cpp b/src/plugins/cpptools/cppcurrentdocumentfilter.cpp
index 9e84280b070..6fb24646fd4 100644
--- a/src/plugins/cpptools/cppcurrentdocumentfilter.cpp
+++ b/src/plugins/cpptools/cppcurrentdocumentfilter.cpp
@@ -36,7 +36,7 @@
 using namespace CppTools::Internal;
 using namespace CPlusPlus;
 
-CppCurrentDocumentFilter::CppCurrentDocumentFilter(CppModelManager *manager,
+CppCurrentDocumentFilter::CppCurrentDocumentFilter(CppTools::CppModelManager *manager,
                                                    StringTable &stringTable)
     : m_modelManager(manager)
     , search(stringTable)