1 files changed, 1 insertions, 1 deletions
diff --git a/cppgenerator.h b/cppgenerator.h
index a0e001f2f..639353413 100644
--- a/cppgenerator.h
+++ b/cppgenerator.h
@@ -55,7 +55,7 @@ private:
 
     void writeErrorSection(QTextStream& s, OverloadData& overloadData);
     /// Writes the check section for the validity of wrapped C++ objects.
-    void writeInvalidCppObjectCheck(QTextStream& s);
+    void writeInvalidCppObjectCheck(QTextStream& s, QString pyArgName = "self");
     void writeTypeCheck(QTextStream& s, const OverloadData* overloadData, QString argumentName);
 
     void writeTypeConverterImpl(QTextStream& s, const TypeEntry* type);