diff --git a/dtool/src/interrogate/interfaceMakerPythonNative.cxx b/dtool/src/interrogate/interfaceMakerPythonNative.cxx
index 2d31fc9f34..d1d9765524 100644
--- a/dtool/src/interrogate/interfaceMakerPythonNative.cxx
+++ b/dtool/src/interrogate/interfaceMakerPythonNative.cxx
@@ -103,7 +103,8 @@ RenameSet methodRenameDictionary[] = {
   { "operator ->"   , "dereference",            0 },
   { "operator <<="  , "__ilshift__",            1 },
   { "operator >>="  , "__irshift__",            1 },
-  { "operator typecast bool", "__nonzero__",    0 },
+  { "operator typecast bool", "__bool__",       0 },
+  { "__bool__"      , "__bool__",               0 },
   { "__nonzero__"   , "__nonzero__",            0 },
   { "__int__"       , "__int__",                0 },
   { "__reduce__"    , "__reduce__",             0 },