@@ -47,11 +47,11 @@
 
 - initWithHashSize: (int)hashsize
 {
 	if ((self = [super init])) {
 		if (hashsize < 8 || hashsize > 31) {
-			Class c = [self class];
+			Class c = isa;
 			[self free];
 			@throw [OFInvalidArgumentException
 			    newWithClass: c
 			     andSelector: _cmd];
 		}