diff --git a/.github/workflows/build_windows.yml b/.github/workflows/build_windows.yml
index eace29fa2..8c4bd2d96 100644
--- a/.github/workflows/build_windows.yml
+++ b/.github/workflows/build_windows.yml
@@ -15,7 +15,7 @@ jobs:
 
     defaults:
       run:
-        shell: cmdmsys2 
+        shell: msys2 
 
     env:
       QT_VERSION: 5.15.2