diff --git a/.github/workflows/docker-build-publish.yml b/.github/workflows/docker-build-publish.yml
index 44d5fc5..c318430 100644
--- a/.github/workflows/docker-build-publish.yml
+++ b/.github/workflows/docker-build-publish.yml
@@ -188,8 +188,8 @@ jobs:
                     tags: $tags,
                     args: $args
                   }
-                  + ( ($target != "" and $target != "null") ? {target: $target} : {} )
-                  + ( ($cache_ref != "") ? {"cache-from": ["type=registry,ref=" + $cache_ref], "cache-to": ["type=registry,ref=" + $cache_ref + ",mode=max"]} : {} )')
+                  + (if ($target != "" and $target != "null") then {target: $target} else {} end)
+                  + (if ($cache_ref != "") then {"cache-from": ["type=registry,ref=" + $cache_ref], "cache-to": ["type=registry,ref=" + $cache_ref + ",mode=max"]} else {} end)')
 
                 TARGETS_JSON=$(jq -n --arg name "$TARGET_NAME" --argjson target "$TARGET_OBJ" --argjson targets "$TARGETS_JSON" '$targets + {($name): $target}')
               done < <(echo "$group" | jq -c 'to_entries[]')