diff --git a/SDK/backendlessAPI/Classes/CustomService/CustomService.m b/SDK/backendlessAPI/Classes/CustomService/CustomService.m
index 4397f941..931f7bd5 100644
--- a/SDK/backendlessAPI/Classes/CustomService/CustomService.m
+++ b/SDK/backendlessAPI/Classes/CustomService/CustomService.m
@@ -37,12 +37,15 @@ @implementation CustomService
 // sync methods with fault return (as exception)
 -(id)invoke:(NSString *)serviceName serviceVersion:(NSString *)serviceVersion method:(NSString *)method args:(NSArray *)args {
     
-    if (!serviceName)
+    if (!serviceName) {
         return [backendless throwFault:FAULT_NO_SERVICE];
-    if (!method)
+    }
+    if (!method) {
         return [backendless throwFault:FAULT_NO_SERVICE_METHOD];
-    if (!!serviceVersion)
+    }
+    if (!serviceVersion) {
         return [backendless throwFault:FAULT_NO_SERVICE_VERSION];
+    }
     
     NSArray *_args = @[backendless.appID, backendless.versionNum, serviceName, serviceVersion, method, args?args:@[]];
     return [invoker invokeSync:SERVER_CUSTOM_SERVICE_PATH method:METHOD_DISPATCH_SERVICE args:_args];
diff --git a/SDK/ios/backendless/backendless.a b/SDK/ios/backendless/backendless.a
index f842b4eb..30156118 100644
Binary files a/SDK/ios/backendless/backendless.a and b/SDK/ios/backendless/backendless.a differ
diff --git a/SDK/lib/backendless/backendless.a b/SDK/lib/backendless/backendless.a
index db8829ab..c480d108 100644
Binary files a/SDK/lib/backendless/backendless.a and b/SDK/lib/backendless/backendless.a differ
diff --git a/SDK/osx/backendless/libbackendless-mac.a b/SDK/osx/backendless/libbackendless-mac.a
index c1c1e26b..3437013f 100644
Binary files a/SDK/osx/backendless/libbackendless-mac.a and b/SDK/osx/backendless/libbackendless-mac.a differ