diff --git a/.github/workflows/multi-platform-build.yml b/.github/workflows/multi-platform-build.yml
index 13f877c8..9187331a 100644
--- a/.github/workflows/multi-platform-build.yml
+++ b/.github/workflows/multi-platform-build.yml
@@ -115,7 +115,11 @@ jobs:
       - name: Install rattler-build and anaconda-client
         if: steps.should_build.outputs.should_build == 'true'
         run: |
-          mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
+          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"
+          else
+            mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
+          fi
 
       - name: Show environment info
         if: steps.should_build.outputs.should_build == 'true'
diff --git a/.github/workflows/unilabos-conda-build.yml b/.github/workflows/unilabos-conda-build.yml
index 0fc532b0..75ef3e48 100644
--- a/.github/workflows/unilabos-conda-build.yml
+++ b/.github/workflows/unilabos-conda-build.yml
@@ -108,7 +108,11 @@ jobs:
       - name: Install rattler-build and anaconda-client
         if: steps.should_build.outputs.should_build == 'true'
         run: |
-          mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
+          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"
+          else
+            mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
+          fi
 
       - name: Show environment info
         if: steps.should_build.outputs.should_build == 'true'