@@ -488,11 +488,11 @@
 	pool2 = objc_autoreleasePoolPush();
 	characters = [self characters];
 
 	for (i = range.location; i <= range.length - searchLength; i++) {
 		if (memcmp(characters + i, searchCharacters,
-		    searchLength * sizeof(of_unichar_t)))
+		    searchLength * sizeof(of_unichar_t)) != 0)
 			continue;
 
 		[self replaceCharactersInRange: of_range(i, searchLength)
 				    withString: replacement];