diff --git a/src/ios/CordovaHttpPlugin.m b/src/ios/CordovaHttpPlugin.m
index 97c98e01..59352833 100644
--- a/src/ios/CordovaHttpPlugin.m
+++ b/src/ios/CordovaHttpPlugin.m
@@ -503,6 +503,7 @@ - (void)uploadFiles:(CDVInvokedUrlCommand*)command {
             CDVPluginResult *pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:dictionary];
             [weakSelf.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
             [[SDNetworkActivityIndicator sharedActivityIndicator] stopActivity];
+            [manager invalidateSessionCancelingTasks:YES];
         } failure:^(NSURLSessionTask *task, NSError *error) {
             [weakSelf removeRequest:reqId];
 
@@ -512,6 +513,7 @@ - (void)uploadFiles:(CDVInvokedUrlCommand*)command {
             CDVPluginResult *pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:dictionary];
             [weakSelf.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
             [[SDNetworkActivityIndicator sharedActivityIndicator] stopActivity];
+            [manager invalidateSessionCancelingTasks:YES];
         }];
         [self addRequest:reqId forTask:task];
     }
@@ -586,6 +588,7 @@ - (void)downloadFile:(CDVInvokedUrlCommand*)command {
                 CDVPluginResult *pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:dictionary];
                 [weakSelf.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
                 [[SDNetworkActivityIndicator sharedActivityIndicator] stopActivity];
+                [manager invalidateSessionCancelingTasks:YES];
                 return;
             }
             NSData *data = (NSData *)responseObject;
@@ -596,6 +599,7 @@ - (void)downloadFile:(CDVInvokedUrlCommand*)command {
                 CDVPluginResult *pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:dictionary];
                 [weakSelf.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
                 [[SDNetworkActivityIndicator sharedActivityIndicator] stopActivity];
+                [manager invalidateSessionCancelingTasks:YES];
                 return;
             }
 
@@ -607,6 +611,7 @@ - (void)downloadFile:(CDVInvokedUrlCommand*)command {
             CDVPluginResult *pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:dictionary];
             [weakSelf.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
             [[SDNetworkActivityIndicator sharedActivityIndicator] stopActivity];
+            [manager invalidateSessionCancelingTasks:YES];
         } failure:^(NSURLSessionTask *task, NSError *error) {
             [weakSelf removeRequest:reqId];
             NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
@@ -616,6 +621,7 @@ - (void)downloadFile:(CDVInvokedUrlCommand*)command {
             CDVPluginResult *pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsDictionary:dictionary];
             [weakSelf.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
             [[SDNetworkActivityIndicator sharedActivityIndicator] stopActivity];
+            [manager invalidateSessionCancelingTasks:YES];
         }];
         [self addRequest:reqId forTask:task];
     }
diff --git a/src/ios/SM_AFNetworking/SM_AFURLSessionManager.m b/src/ios/SM_AFNetworking/SM_AFURLSessionManager.m
index c3b19b3c..3028a97c 100644
--- a/src/ios/SM_AFNetworking/SM_AFURLSessionManager.m
+++ b/src/ios/SM_AFNetworking/SM_AFURLSessionManager.m
@@ -716,13 +716,11 @@ - (NSArray *)downloadTasks {
 #pragma mark -
 
 - (void)invalidateSessionCancelingTasks:(BOOL)cancelPendingTasks {
-    dispatch_async(dispatch_get_main_queue(), ^{
-        if (cancelPendingTasks) {
-            [self.session invalidateAndCancel];
-        } else {
-            [self.session finishTasksAndInvalidate];
-        }
-    });
+    if (cancelPendingTasks) {
+        [self.session invalidateAndCancel];
+    } else {
+        [self.session finishTasksAndInvalidate];
+    }
 }
 
 #pragma mark -