diff --git a/mRemoteNG/Connection/Protocol/RDP/RdpProtocol6.cs b/mRemoteNG/Connection/Protocol/RDP/RdpProtocol6.cs
index 8836c0c46..c94291915 100644
--- a/mRemoteNG/Connection/Protocol/RDP/RdpProtocol6.cs
+++ b/mRemoteNG/Connection/Protocol/RDP/RdpProtocol6.cs
@@ -518,7 +518,7 @@ namespace mRemoteNG.Connection.Protocol.RDP
         {
             try
             {
-                var scaleFactor = (uint)_displayProperties.ResolutionScalingFactor.Width * 100;
+                var scaleFactor = (uint)(_displayProperties.ResolutionScalingFactor.Width * 100);
                 SetExtendedProperty("DesktopScaleFactor", scaleFactor);
                 SetExtendedProperty("DeviceScaleFactor", (uint)100);