diff --git a/pxtlib/browserutils.ts b/pxtlib/browserutils.ts
index e7f7d43642d8..46192662eafa 100644
--- a/pxtlib/browserutils.ts
+++ b/pxtlib/browserutils.ts
@@ -166,11 +166,11 @@ namespace pxt.BrowserUtils {
     }
 
     export function isTabletSize(): boolean {
-        return window?.innerWidth < pxt.BREAKPOINT_TABLET;
+        return window?.innerWidth <= pxt.BREAKPOINT_TABLET;
     }
 
     export function isComputerSize(): boolean {
-        return window?.innerWidth >= pxt.BREAKPOINT_TABLET;
+        return window?.innerWidth > pxt.BREAKPOINT_TABLET;
     }
 
     export function noSharedLocalStorage(): boolean {