diff --git a/Underscore/Strings/USStringWrapper.m b/Underscore/Strings/USStringWrapper.m
index c65af6f..1de6fa4 100644
--- a/Underscore/Strings/USStringWrapper.m
+++ b/Underscore/Strings/USStringWrapper.m
@@ -88,7 +88,7 @@ - (USStringWrapper *)uppercase
 - (USStringWrapper *(^)(NSString *))strip
 {
     return ^USStringWrapper *(NSString *strip) {
-        return [USStringWrapper wrap:strip ? [self.string stringByReplacingOccurrencesOfString:strip withString:@""] : nil];
+        return [USStringWrapper wrap:strip ? [self.string stringByReplacingOccurrencesOfString:strip withString:@""] : @""];
     };
 }