diff --git a/src/plugins/cpptools/searchsymbols.cpp b/src/plugins/cpptools/searchsymbols.cpp
index a166c56f964..1df767db60f 100644
--- a/src/plugins/cpptools/searchsymbols.cpp
+++ b/src/plugins/cpptools/searchsymbols.cpp
@@ -42,7 +42,7 @@ SearchSymbols::SymbolTypes SearchSymbols::AllTypes =
         | SymbolSearcher::Enums
         | SymbolSearcher::Declarations;
 
-SearchSymbols::SearchSymbols(Internal::StringTable &stringTable)
+SearchSymbols::SearchSymbols(CppTools::Internal::StringTable &stringTable)
     : strings(stringTable)
     , symbolsToSearchFor(SymbolSearcher::Classes | SymbolSearcher::Functions | SymbolSearcher::Enums)
 {