diff --git a/src/ManagedShell.AppBar/AppBarWindow.cs b/src/ManagedShell.AppBar/AppBarWindow.cs
index daaab462..4c945459 100644
--- a/src/ManagedShell.AppBar/AppBarWindow.cs
+++ b/src/ManagedShell.AppBar/AppBarWindow.cs
@@ -569,7 +569,7 @@ protected virtual IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lPa
 
                 // if we are opening, we're getting this message as a result of positioning
                 // if we are an AppBar, that code will fix our position, so skip in that case to prevent infinite resizing.
-                if (!IsOpening || AppBarMode != AppBarMode.Normal)
+                if (!IsOpening || AppBarMode != AppBarMode.Normal || EnvironmentHelper.IsAppRunningAsShell)
                 {
                     ProcessScreenChange(ScreenSetupReason.DpiChange);
                 }