diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 2c6978afd6..546b0bc9f9 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -55,12 +55,11 @@ jobs:
       - name: Run libmamba tests
         shell: cmd /C call {0}
         run: |
-          cd build
-          ninja install
+          cd build\libmamba\tests
           if %errorlevel% neq 0 exit /b %errorlevel%
           @REM Interferes with tests
           set CONDARC=
-          ninja test
+          test_libmamba.exe --duration
           if %errorlevel% neq 0 exit /b %errorlevel%
       - name: Show build cache statistics
         run: sccache --show-stats