diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index 0713e82e..1245bbaf 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -145,14 +145,12 @@ jobs:
 
     - name: Use Java 21 on Windows
       if: ${{ startsWith(matrix.os, 'windows')}}
-      run: setx JAVA_HOME "%JAVA_HOME_21_X64%"
+      run: $env:JAVA_HOME=$env:JAVA_HOME_21_X64
     - name: Print Environmental Variables on Windows
       if: ${{ startsWith(matrix.os, 'windows')}}
       run: |
-        echo %JAVA_HOME%
-        echo %JAVA_HOME_21_X64%
-        echo $JAVA_HOME
-        echo $JAVA_HOME_21_X64
+        echo $env:JAVA_HOME
+        echo $env:JAVA_HOME_21_X64
     # We don't run pytest for ubuntu py3.9 since we do coverage for that case.
     - name: Test with pytest
       if: ${{ matrix.python-version != '3.9' || startsWith(matrix.os, 'ubuntu') != true }}