diff --git a/.gitea/workflows/deploy-preview.yaml b/.gitea/workflows/deploy-preview.yaml
index 6f29087..9344e54 100644
--- a/.gitea/workflows/deploy-preview.yaml
+++ b/.gitea/workflows/deploy-preview.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Determine changed apps
         id: changes
         run: |
-          APPS=$(pnpm turbo build --filter='...[origin/main]' --dry-run=json | jq -r '[.packages[] | select(startswith("@homelab/")) | sub("@homelab/";"") ] | join(",")')
+          APPS=$(pnpm turbo build --filter='...[origin/main]' --dry-run=json | jq -r '[.packages[] | select(startswith("@homelab/")) | sub("@homelab/";"") ] | join(",")' | tr ',' '\n' | while read app; do [ -f "apps/${app}/Dockerfile" ] && echo "$app"; done | paste -sd, -)
           echo "apps=$APPS" >> "$GITHUB_OUTPUT"
 
       - name: Build and push images
diff --git a/.gitea/workflows/deploy-production.yaml b/.gitea/workflows/deploy-production.yaml
index 774efde..7e11d10 100644
--- a/.gitea/workflows/deploy-production.yaml
+++ b/.gitea/workflows/deploy-production.yaml
@@ -36,7 +36,7 @@ jobs:
               APPS="$INPUT"
             fi
           else
-            APPS=$(pnpm turbo build --filter='...[HEAD~1]' --dry-run=json | jq -r '[.packages[] | select(startswith("@homelab/")) | sub("@homelab/";"") ] | join(",")')
+            APPS=$(pnpm turbo build --filter='...[HEAD~1]' --dry-run=json | jq -r '[.packages[] | select(startswith("@homelab/")) | sub("@homelab/";"") ] | join(",")' | tr ',' '\n' | while read app; do [ -f "apps/${app}/Dockerfile" ] && echo "$app"; done | paste -sd, -)
           fi
           echo "apps=$APPS" >> "$GITHUB_OUTPUT"