diff --git a/CHANGES.current b/CHANGES.current
index 44643fb8c..422b2e6d9 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -100,7 +100,7 @@ Version 1.3.28 (unreleased).
 	    UTL, this looks like:
 
 	      %typemap(throws) (...) {
-                %raise(SWIG_ErrorType(SWIG_UnknownError), "UnknownError", 0);
+	        SWIG_exception(SWIG_RuntimeError,"unknown exception");
               }
 
 
diff --git a/Lib/typemaps/swigtype.swg b/Lib/typemaps/swigtype.swg
index 3b1c0d4c7..cb88276be 100644
--- a/Lib/typemaps/swigtype.swg
+++ b/Lib/typemaps/swigtype.swg
@@ -439,7 +439,7 @@
 }
 
 %typemap(throws,noblock=1) (...) {
-  %raise(SWIG_ErrorType(SWIG_UnknownError), "UnknownType", 0);
+  SWIG_exception(SWIG_RuntimeError,"unknown exception");
 }
 
 /* ------------------------------------------------------------