diff --git a/ios/RNFetchBlob/RNFetchBlob.m b/ios/RNFetchBlob/RNFetchBlob.m
index d82739399..6b2dccf8a 100644
--- a/ios/RNFetchBlob/RNFetchBlob.m
+++ b/ios/RNFetchBlob/RNFetchBlob.m
@@ -502,7 +502,7 @@ - (NSDictionary *)constantsToExport
             reject(code, err, nil);
             return;
         }
-        if(encoding == @"ascii") {
+        if([encoding isEqual: @"ascii"]) {
             resolve((NSMutableArray *)content);
         }
         else {