diff --git a/src/Essentials/src/DeviceInfo/DeviceInfo.uwp.cs b/src/Essentials/src/DeviceInfo/DeviceInfo.uwp.cs
index 317223b6052b..3c2713494297 100644
--- a/src/Essentials/src/DeviceInfo/DeviceInfo.uwp.cs
+++ b/src/Essentials/src/DeviceInfo/DeviceInfo.uwp.cs
@@ -120,7 +120,7 @@ public DeviceType DeviceType
 		static bool GetIsInTabletMode()
 		{
 			var supportsTablet = GetSystemMetrics(SM_TABLETPC) != 0;
-			var inTabletMode = GetSystemMetrics(SM_CONVERTIBLESLATEMODE) != 0;
+			var inTabletMode = GetSystemMetrics(SM_CONVERTIBLESLATEMODE) == 0;
 			return inTabletMode && supportsTablet;
 		}
 	}