diff --git a/.github/actions/build-python-from-source/action.yml b/.github/actions/build-python-from-source/action.yml
index 2c6580c..d7c94de 100644
--- a/.github/actions/build-python-from-source/action.yml
+++ b/.github/actions/build-python-from-source/action.yml
@@ -93,17 +93,15 @@ runs:
           echo "C:/Python/${{ inputs.python-version }}" >> $GITHUB_PATH
         fi
 
+    # Make sure we use our version of python.
+    - name: Set LOCAL_PYTHON envvar
+      run: echo "LOCAL_PYTHON=$prefix/bin/python3" >> $GITHUB_ENV
+
     # Ensure python is in the path and log out the version to help with debug.
     - name: Verify Python Installation
       run: |
-        python --version
-      shell: bash
-
-    # Set the output variable 'python-path' to the path of the installed Python executable.
-    - name: Set output path
-      id: set-path
+        $LOCAL_PYTHON --version
       shell: bash
-      run: echo "::set-output name=python-path::$prefix/bin/python3"
 
 # Example of how to use this action in a workflow:
 #
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8423efb..fc86b13 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -79,6 +79,12 @@ jobs:
           python-version: ${{ matrix.python-version }}
           nogil: ${{ matrix.nogil }}
 
+      # Make sure we use our version of python, this is set in the build-from-source
+      # action os set it here for consistency if not building from source.
+      - name: Set LOCAL_PYTHON envvar
+        if: matrix.build-from-source == false
+        run: echo "LOCAL_PYTHON=python" >> $GITHUB_ENV
+
       # Upgrade pip to the latest version.
       - name: Upgrade pip
         run: |
@@ -98,9 +104,9 @@ jobs:
       - name: Build
         run: |
           if [ "${{ matrix.build-from-source }}" = "true" ]; then
-            python -P setup.py bdist_wheel --wheel-suffix=_nogil
+            $LOCAL_PYTHON -P setup.py bdist_wheel --wheel-suffix=_nogil
           else
-            python -P setup.py bdist_wheel
+            $LOCAL_PYTHON -P setup.py bdist_wheel
           fi
         shell: bash
 
@@ -116,5 +122,5 @@ jobs:
         run: |
           mkdir test_dir
           cd test_dir
-          python -m ft_utils.tests.test_run_all
+          $LOCAL_PYTHON -m ft_utils.tests.test_run_all
         working-directory: ${{github.workspace}}