diff --git a/AFNetworking/AFHTTPClient.m b/AFNetworking/AFHTTPClient.m
index 4852223..e451746 100755
--- a/AFNetworking/AFHTTPClient.m
+++ b/AFNetworking/AFHTTPClient.m
@@ -807,7 +807,7 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;
     }
     
     NSMutableDictionary *mutableHeaders = [NSMutableDictionary dictionary];
-    [mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"; filename=\"%@\"", name, [[fileURL URLByDeletingPathExtension] lastPathComponent]] forKey:@"Content-Disposition"];
+    [mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"; filename=\"%@\"", name, [fileURL lastPathComponent]] forKey:@"Content-Disposition"];
     [mutableHeaders setValue:AFContentTypeForPathExtension([fileURL pathExtension]) forKey:@"Content-Type"];
     
     AFHTTPBodyPart *bodyPart = [[AFHTTPBodyPart alloc] init];