diff --git a/tests/manual/plain-cplusplus/main.cpp b/tests/manual/plain-cplusplus/main.cpp
index 8a2fedf58e0..930baf565c7 100644
--- a/tests/manual/plain-cplusplus/main.cpp
+++ b/tests/manual/plain-cplusplus/main.cpp
@@ -122,7 +122,7 @@ int runWithNewPreprocessor(int argc, char *argv[])
 void parse(const char *fileName, const char *source, unsigned size)
 {
     Control control;
-    TranslationUnit unit(&control, control.findOrInsertStringLiteral(fileName));
+    TranslationUnit unit(&control, control.stringLiteral(fileName));
     unit.setSource(source, size);
     unit.parse();