diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5b904ae9f..f7ef4f389 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,6 +19,7 @@ jobs:
         uses: actions/checkout@master
 
       - name: Checkout syms
+        if: ${{ github.event_name == 'push' && github.repository_owner == 'pret' }}
         uses: actions/checkout@master
         with:
           path: symbols
@@ -52,7 +53,7 @@ jobs:
         run: make -j${nproc} all
 
       - name: Webhook
-        if: ${{ github.event_name == 'push' }}
+        if: ${{ github.event_name == 'push' && github.repository_owner == 'pret' }}
         env:
           CALCROM_DISCORD_WEBHOOK_USERNAME: OK
           CALCROM_DISCORD_WEBHOOK_AVATAR_URL: https://i.imgur.com/38BQHdd.png
@@ -60,16 +61,16 @@ jobs:
         run: sh .github/calcrom/webhook.sh pokeemerald
 
       - name: Move symfiles
-        if: ${{ github.event_name == 'push' }}
+        if: ${{ github.event_name == 'push' && github.repository_owner == 'pret' }}
         run: |
           cp -v *.sym symbols/
-          export GITHUB_COMMIT_MSG="$( git log --format=%s ${GITHUB_SHA} )"
+          echo "SYMBOLS_COMMIT_MSG=$( git log --format=%s ${GITHUB_SHA} )" >> $GITHUB_ENV
 
       - name: Update symfiles
-        if: ${{ github.event_name == 'push' }}
+        if: ${{ github.event_name == 'push' && github.repository_owner == 'pret' }}
         uses: EndBug/add-and-commit@v7
         with:
           branch: symbols
           cwd: "./symbols"
           add: "*.sym"
-          message: $GITHUB_COMMIT_MSG
+          message: ${{ env.SYMBOLS_COMMIT_MSG }}