diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9b53b35..f2614c8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,11 +34,11 @@ jobs:
 
       - name: Install required python3 libs
         run: docker-compose -f docker-compose.yaml exec -T postgres-server bash -c "cd /dataservices-api/server/ && sudo pip3 install -U -r ./lib/python/cartodb_services/requirements.txt && sudo pip3 install -U ./lib/python/cartodb_services"
-        if: ${{ PG_VERSION == 12 }}
+        if: env.PG_VERSION == 12
 
       - name: Install required python libs
         run: docker-compose -f docker-compose.yaml exec -T postgres-server bash -c "cd /dataservices-api/server/ && pip install -U -r ./lib/python/cartodb_services/requirements.txt && pip install -U ./lib/python/cartodb_services"
-        if: ${{ PG_VERSION == 10 }}
+        if: env.PG_VERSION == 10
 
       - name: Run python library tests
         run: docker-compose -f docker-compose.yaml exec -T postgres-server bash -c "cd /dataservices-api/server/ && MAPBOX_API_KEY=$MAPBOX_API_KEY TOMTOM_API_KEY=$TOMTOM_API_KEY GEOCODIO_API_KEY=$GEOCODIO_API_KEY nosetests lib/python/cartodb_services/test"