diff --git a/src/ios/CDVFileTransfer.m b/src/ios/CDVFileTransfer.m
index dca440a..ee32b92 100644
--- a/src/ios/CDVFileTransfer.m
+++ b/src/ios/CDVFileTransfer.m
@@ -305,13 +305,14 @@ static CFIndex WriteDataToStream(NSData* data, CFWriteStreamRef stream)
         fs = [[self.commandDelegate getCommandInstance:@"File"] filesystemForURL:sourceURL];
     }
     if (fs) {
+        __weak CDVFileTransfer* weakSelf = self;
         [fs readFileAtURL:sourceURL start:0 end:-1 callback:^(NSData *fileData, NSString *mimeType, CDVFileError err) {
             if (err) {
                 // We couldn't find the asset.  Send the appropriate error.
-                CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:[self createFileTransferError:NOT_FOUND_ERR AndSource:source AndTarget:server]];
-                [self.commandDelegate sendPluginResult:result callbackId:command.callbackId];
+                CDVPluginResult* result = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:[weakSelf createFileTransferError:NOT_FOUND_ERR AndSource:source AndTarget:server]];
+                [weakSelf.commandDelegate sendPluginResult:result callbackId:command.callbackId];
             }  else {
-                [self uploadData:fileData command:command];
+                [weakSelf uploadData:fileData command:command];
             }
         }];
         return;