diff --git a/.github/workflows/edenscm_mac.yml b/.github/workflows/edenscm_mac.yml
index de91e7a12ae75..0258a7e6aff80 100644
--- a/.github/workflows/edenscm_mac.yml
+++ b/.github/workflows/edenscm_mac.yml
@@ -23,6 +23,20 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: 3.7
+    - name: Set python3 include paths for later use in boost-python build
+      run: |
+        py3includes=$(python3-config --includes|sed -e 's/ -I/:/g' -e 's/^-I//')
+        echo "Python3 includes: ${py3includes}"
+        if [ -n "$C_INCLUDE_PATH" ]; then 
+          echo 'C_INCLUDE_PATH="'"$C_INCLUDE_PATH:""${py3includes}"'"' >> $GITHUB_ENV
+        else
+          echo 'C_INCLUDE_PATH="'"${py3includes}"'"' >> $GITHUB_ENV
+        fi
+        if [ -n "$CPLUS_INCLUDE_PATH" ]; then 
+          echo 'CPLUS_INCLUDE_PATH="'"$CPLUS_INCLUDE_PATH:""${py3includes}"'"' >> $GITHUB_ENV
+        else
+          echo 'CPLUS_INCLUDE_PATH="'"${py3includes}"'"' >> $GITHUB_ENV
+        fi
     - name: Install system deps
       run: sudo python3 build/fbcode_builder/getdeps.py --allow-system-packages install-system-deps --recursive eden_scm
     - name: Fetch fb303-source