diff --git a/SWIG/Lib/python/pyvaltypes.swg b/SWIG/Lib/python/pyvaltypes.swg
index 3331eda0f..e2feaead3 100644
--- a/SWIG/Lib/python/pyvaltypes.swg
+++ b/SWIG/Lib/python/pyvaltypes.swg
@@ -8,7 +8,7 @@
 
 %define PYVAL_IN_TYPEMAP(as_meth,pyfrag,...)
   %typemap(in,fragment=pyfrag) __VA_ARGS__ 
-    "$1 = ($1_type) as_meth($input); 
+    "$1 = ($ltype)as_meth($input); 
      if (PyErr_Occurred()) SWIG_fail;";
   %typemap(in,fragment=pyfrag) const __VA_ARGS__ & ($basetype temp)
     "temp = ($basetype) as_meth($input);