@@ -546,15 +546,15 @@
 - (size_t)cStringLength
 {
 	return length;
 }
 
-- (BOOL)isEqual: (id)obj
+- (BOOL)isEqual: (OFObject*)obj
 {
 	if (![obj isKindOfClass: [OFString class]])
 		return NO;
-	if (strcmp(string, [obj cString]))
+	if (strcmp(string, [(OFString*)obj cString]))
 		return NO;
 
 	return YES;
 }