diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 76efffc..f2881b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -114,7 +114,7 @@ jobs:
             -f "$CHUNKAH_CF" \
             --from "$IMG" \
             --build-arg CHUNKAH_CONFIG_STR="$CONFIG" \
-            --build-arg "CHUNKAH_ARGS=--prune /sysroot/ --max-layers 128 --compressed --label ostree.commit- --label ostree.final-diffid-" \
+            --build-arg "CHUNKAH_ARGS=--prune /sysroot/ --max-layers 128 --compressed --label ostree.commit- --label ostree.final-diffid- --label ostree.bootable=true" \
             -t "$CHUNKED_IMG" \
             .