diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index afcb3b0d2..103ebd354 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -83,7 +83,7 @@ jobs:
 
     - uses: actions/setup-python@v2
       with:
-        python-version: "3.8
+        python-version: "3.8"
 
     - name: Build patched ParaView & create package
       run: |