@@ -912,11 +912,12 @@
 		cString[i] = '\0';
 
 		break;
 	default:
 		@throw [OFNotImplementedException
-		    exceptionWithClass: [self class]];
+		    exceptionWithClass: [self class]
+			      selector: _cmd];
 	}
 
 	return cString;
 }