diff --git a/.github/workflows/multi-platform-build.yml b/.github/workflows/multi-platform-build.yml
index 9187331a..cd9fadeb 100644
--- a/.github/workflows/multi-platform-build.yml
+++ b/.github/workflows/multi-platform-build.yml
@@ -116,7 +116,7 @@ jobs:
         if: steps.should_build.outputs.should_build == 'true'
         run: |
           if [[ "$RUNNER_OS" == "Windows" ]]; then
-            cmd //D //S //C "call \"%CONDA%\\condabin\\mamba.bat\" install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y"
+            cmd //D //S //C '%CONDA%\condabin\mamba.bat install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y'
           else
             mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
           fi
diff --git a/.github/workflows/unilabos-conda-build.yml b/.github/workflows/unilabos-conda-build.yml
index 75ef3e48..ed94b366 100644
--- a/.github/workflows/unilabos-conda-build.yml
+++ b/.github/workflows/unilabos-conda-build.yml
@@ -109,7 +109,7 @@ jobs:
         if: steps.should_build.outputs.should_build == 'true'
         run: |
           if [[ "$RUNNER_OS" == "Windows" ]]; then
-            cmd //D //S //C "call \"%CONDA%\\condabin\\mamba.bat\" install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y"
+            cmd //D //S //C '%CONDA%\condabin\mamba.bat install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y'
           else
             mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
           fi