diff --git a/DS4Windows/DS4Control/ScpUtil.cs b/DS4Windows/DS4Control/ScpUtil.cs
index a033c4c..0f511b1 100644
--- a/DS4Windows/DS4Control/ScpUtil.cs
+++ b/DS4Windows/DS4Control/ScpUtil.cs
@@ -302,7 +302,7 @@ namespace DS4Windows
             var dataBuffer = new byte[4096];
             ulong propertyType = 0;
             var requiredSize = 0;
-            IntPtr deviceInfoSet = NativeMethods.SetupDiGetClassDevs(ref sysGuid, "", 0, NativeMethods.DIGCF_DEVICEINTERFACE | NativeMethods.DIGCF_ALLCLASSES);
+            IntPtr deviceInfoSet = NativeMethods.SetupDiGetClassDevs(ref sysGuid, null, 0, NativeMethods.DIGCF_DEVICEINTERFACE | NativeMethods.DIGCF_ALLCLASSES);
             for (int i = 0; !result && NativeMethods.SetupDiEnumDeviceInfo(deviceInfoSet, i, ref deviceInfoData); i++)
             {
                 if (NativeMethods.SetupDiGetDeviceProperty(deviceInfoSet, ref deviceInfoData, ref NativeMethods.DEVPKEY_Device_HardwareIds, ref propertyType,