diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 9874419..9b6d1cc 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   analyze:
-    if: env.GITEA_ACTIONS != 'true'
+    if: ${{ !env.GITEA_ACTIONS || env.GITEA_ACTIONS != 'true' }}
     name: Analyze
     runs-on: ubuntu-latest
     permissions:
diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index c287b08..4beb0d3 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -5,7 +5,7 @@ on:
       - master
 jobs:
   deploy:
-    if: env.GITEA_ACTIONS != 'true'
+    if: ${{ !env.GITEA_ACTIONS || env.GITEA_ACTIONS != 'true' }}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 1fb1e3d..4c9ee36 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -7,7 +7,7 @@ on: [ push ]
 
 jobs:
   build:
-    if: env.GITEA_ACTIONS != 'true'
+    if: ${{ !env.GITEA_ACTIONS || env.GITEA_ACTIONS != 'true' }}
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2