--- parser3/src/classes/hash.C	2021/11/04 21:31:15	1.151
+++ parser3/src/classes/hash.C	2021/11/05 21:25:38	1.153
@@ -17,7 +17,7 @@
 #include "pa_vbool.h"
 #include "pa_vmethod_frame.h"
 
-volatile const char * IDENT_HASH_C="$Id: hash.C,v 1.151 2021/11/04 21:31:15 moko Exp $";
+volatile const char * IDENT_HASH_C="$Id: hash.C,v 1.153 2021/11/05 21:25:38 moko Exp $";
 
 // class
 
@@ -728,8 +728,8 @@ static void _rename(Request& r, MethodPa
 		const String& key_to=params.as_string(1, "to key must be string");
 
 		hash.rename(key_from, key_to);
-	} else	{
-		HashStringValue* names=params.as_hash(0);
+	} else {
+		HashStringValue* names=params.as_hash(0,"single parameter");
 
 		for(HashStringValue::Iterator i(*names); i; i.next())
 			hash.rename(i.key(), i.value()->as_string());