diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 227b0c1..9056795 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -54,6 +54,9 @@ jobs:
       - name: Checkout Push to Registry action
         uses: actions/checkout@v4
 
+      - name: Check just syntax
+        uses: ublue-os/just-action@v1
+
       - name: Add yq (for reading recipe.yml)
         uses: mikefarah/yq@v4.40.2
 
diff --git a/config/files/usr/share/ublue-os/just/100-bling.just b/config/files/usr/share/ublue-os/just/100-bling.just
new file mode 100644
index 0000000..9e3a89b
--- /dev/null
+++ b/config/files/usr/share/ublue-os/just/100-bling.just
@@ -0,0 +1,2 @@
+# this file is a placeholder,
+# making changes here is not supported
diff --git a/config/files/usr/share/ublue-os/just/60-custom.just b/config/files/usr/share/ublue-os/just/60-custom.just
index 2af075d..bd38c97 100644
--- a/config/files/usr/share/ublue-os/just/60-custom.just
+++ b/config/files/usr/share/ublue-os/just/60-custom.just
@@ -1 +1,2 @@
+!include 100-bling.just
 # Include some of your custom scripts here!