diff --git a/src/util.js b/src/util.js
index 9b610b75..ecc4e934 100644
--- a/src/util.js
+++ b/src/util.js
@@ -158,7 +158,8 @@ export function doesPlayerSupportFile(streams) {
 }
 
 export const isMasBuild = window.process.mas;
-export const isStoreBuild = isMasBuild || window.process.windowsStore;
+export const isWindowsStoreBuild = window.process.windowsStore;
+export const isStoreBuild = isMasBuild || isWindowsStoreBuild;
 
 export const isDurationValid = (duration) => Number.isFinite(duration) && duration > 0;