diff --git a/Lib/swig.swg b/Lib/swig.swg
index 759499726..48c739d03 100644
--- a/Lib/swig.swg
+++ b/Lib/swig.swg
@@ -293,6 +293,7 @@ namespace std {
 /* Macros for precedence levels */
 
 %define SWIG_TYPECHECK_POINTER       0     %enddef
+%define SWIG_TYPECHECK_ITERATOR      5     %enddef
 %define SWIG_TYPECHECK_VOIDPTR       10    %enddef
 %define SWIG_TYPECHECK_BOOL          15    %enddef
 %define SWIG_TYPECHECK_UINT8         20    %enddef