diff --git a/.github/workflows/update-check.yaml b/.github/workflows/update-check.yaml
index 320277d..e8ae575 100644
--- a/.github/workflows/update-check.yaml
+++ b/.github/workflows/update-check.yaml
@@ -13,10 +13,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@master
-      with:
-        ref: master
     - name: Check Update
-      run: bash check-update.sh
+      run: bash update-check.sh
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         PERSONAL_TOKEN: ${{ secrets.PERSONAL_TOKEN }}
diff --git a/check-update.sh b/update-check.sh
similarity index 84%
rename from check-update.sh
rename to update-check.sh
index 3270a0c..134f951 100644
--- a/check-update.sh
+++ b/update-check.sh
@@ -2,13 +2,19 @@
 
 set -ex
 
+REMOTE_REPO="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
+
+# Switch to master branch
+git clone "${REMOTE_REPO}" master
+cd master
+
 source ./releaserc
 
 JSON_CONTENT=$(curl -q https://protonmail.com/download/current_version_linux.json)
 URL=$(echo ${JSON_CONTENT} | sed -n "s/^.*\"DebFile\":\"\([a-z0-9:/._-]*\)\".*$/\1/p")
 CURR_RELEASE=$(echo $URL | sed -n "s/https:\/\/protonmail.com\/download\/protonmail-bridge_\([0-9.-]*\)_amd64.deb/\1/p")
 
-if [[ RELEASE != CURR_RELEASE ]]; then
+if [[ $RELEASE != $CURR_RELEASE ]]; then
     echo "New release found: ${CURR_RELEASE}"
 
     # bump up to new release
@@ -22,7 +28,6 @@ if [[ RELEASE != CURR_RELEASE ]]; then
     git tag -a "v${CURR_RELEASE}" -m "Release ${CURR_RELEASE}"
 
     # push
-    REMOTE_REPO="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
     git push "${REMOTE_REPO}" master
     git push "${REMOTE_REPO}" master --tags