diff --git a/dtool/src/interrogate/interfaceMakerPythonNative.cxx b/dtool/src/interrogate/interfaceMakerPythonNative.cxx
index ef114d6adf..0d16d14895 100755
--- a/dtool/src/interrogate/interfaceMakerPythonNative.cxx
+++ b/dtool/src/interrogate/interfaceMakerPythonNative.cxx
@@ -370,7 +370,7 @@ get_slotted_function_def(Object *obj, Function *func, SlottedFunctionDef &def) {
     return true;
   }
 
-  if (method_name == "operator << ") {
+  if (method_name == "operator <<") {
     def._answer_location = "tp_as_number->nb_lshift";
     def._wrapper_type = WT_numeric_operator;
     return true;