diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index dea8f1a..6547f1c 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -15,13 +15,16 @@ jobs:
     - uses: actions/checkout@v2
     - name: make setup
       run: mingw32-make setup
+      shell: cmd
       
     - name: make compile
       run: mingw32-make compile
     - name: make clean
       run: mingw32-make clean
+      shell: cmd
 
     - name: make compile CXX=g++
       run: mingw32-make compile CXX=g++
     - name: make clean
       run: mingw32-make clean
+      shell: cmd