diff -r e3c851a14f16 -r 18f3010a358c src/API.cpp
--- a/src/API.cpp	Tue Dec 25 18:13:02 2012 -0800
+++ b/src/API.cpp	Wed Dec 26 17:14:12 2012 -0800
@@ -295,9 +295,10 @@
 
     for (unsigned i = 0; i < nparams; i++) {
         if (!CheckInvokeType(params[i], fun->argType(i))) {
+            char name[255];
             ke::ZONE()->reportError(Message_TypeMismatchDuringInvoke,
                                     GetInvokeTypeName(params[i].type()),
-                                    GetTypeName(fun->argType(i)));
+                                    GetTypeName(fun->argType(i), name, sizeof(name)));
             return false;
         }
     }
@@ -308,7 +309,9 @@
         !returnType->isEnum() &&
         !returnType->isVoid())
     {
-        ke::ZONE()->reportError(Message_CannotInvokeReturnType, GetTypeName(returnType));
+        char name[255];
+        ke::ZONE()->reportError(Message_CannotInvokeReturnType,
+                                GetTypeName(returnType, name, sizeof(name)));
         return false;
     }