diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index f53ba60163..cd3135dd03 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -57,10 +57,19 @@ jobs:
             echo "Release branch rc/$RELEASE_VERSION does not exist."
             echo "create_release_branch=true" >> "$GITHUB_ENV"
             echo "create_release_pr=true" >> "$GITHUB_ENV"
+            echo "create_release_feature_branch=true" >> "$GITHUB_ENV"
           else
             echo "Release branch rc/$RELEASE_VERSION already exists."
             echo "create_release_branch=false" >> "$GITHUB_ENV"
 
+            if [[ -z $(git ls-remote --heads origin feature/update-user-manual-for-$RELEASE_VERSION) ]]; then
+              echo "Feature branch feature/update-user-manual-for-$RELEASE_VERSION does not exist."
+              echo "create_release_feature_branch=true" >> "$GITHUB_ENV"
+            else
+              echo "Feature branch feature/update-user-manual-for-$RELEASE_VERSION already exists."
+              echo "create_release_feature_branch=false" >> "$GITHUB_ENV"
+            fi
+
             pr_state=$(gh pr view rc/$RELEASE_VERSION --json title,state)
             pr_title=$(echo "$pr_state" | jq -r '.title')
             pr_state=$(echo "$pr_state" | jq -r '.state')
@@ -109,13 +118,13 @@ jobs:
           $RELEASE_VERSION
 
       - name: Create feature branch for PR
-        if: env.create_release_pr == 'true'
+        if: env.create_release_feature_branch == 'true'
         run: |
           git switch -c feature/update-user-manual-for-$RELEASE_VERSION
           git push --set-upstream origin feature/update-user-manual-for-$RELEASE_VERSION
 
       - name: Get feature branch for PR
-        if: env.create_release_pr == 'false'
+        if: env.create_release_feature_branch == 'false'
         run: |
           git fetch origin feature/update-user-manual-for-$RELEASE_VERSION
           git switch feature/update-user-manual-for-$RELEASE_VERSION
@@ -129,7 +138,7 @@ jobs:
           find docs -name 'user_manual.md' | xargs sed -i "s/user_manual_.*\.md\`/user_manual_$RELEASE_VERSION.md\`/"
           find docs -name 'user_manual.md' | xargs sed -i "s/This user manual documents release \`.*\` of/This user manual documents release \`$RELEASE_VERSION\` of/"
 
-          if git diff --quiet; then
+          if ! git diff --quiet; then
             git add -u .
             git commit -m "Update version"
             git push