diff --git a/images/agent/Dockerfile b/images/agent/Dockerfile
index 73cb179..0500258 100644
--- a/images/agent/Dockerfile
+++ b/images/agent/Dockerfile
@@ -195,13 +195,14 @@ RUN set -eu; \
     pw_v="$(playwright --version | awk '{print $2}')"; \
     jq --arg node "$node_v" --arg python "$python_v" --arg rust "$rust_v" \
        --arg go "$go_v" --arg mise "$mise_v" --arg gcc "$gcc_v" --arg playwright "$pw_v" \
-       '.tier = "agent" \
+       '.tier = "agent" | .variant = "agent" \
         | .toolchains = {node: $node, python: $python, rust: $rust, go: $go, mise: $mise, gcc: $gcc} \
         | .caches = {npm: "/opt/cache/npm", pip: "/opt/cache/pip", uv: "/opt/cache/uv", \
                      cargo: "/opt/cache/cargo", gomod: "/opt/cache/gomod"} \
         | .playwright = {version: $playwright, browsers: "/opt/playwright-browsers", chromium: true}' \
        /etc/naros/manifest.json > /etc/naros/manifest.json.new; \
     mv /etc/naros/manifest.json.new /etc/naros/manifest.json; \
-    naros info --json | jq -e '.tier == "agent" and .toolchains.node != null' > /dev/null
+    naros info --json \
+      | jq -e '.tier == "agent" and .variant == "agent" and .toolchains.node != null' > /dev/null
 
 WORKDIR /workspace