diff --git a/ci-in-a-box/.env.example b/ci-in-a-box/.env.example
index 46624e79..d43dff18 100644
--- a/ci-in-a-box/.env.example
+++ b/ci-in-a-box/.env.example
@@ -15,5 +15,5 @@ DRAUPNIR_CONFIG_SOURCE=../config
 NGINX_PORT=8081
 REVERSE_PROXY_CONFIG_PATH=./scripts/nginx/nginx.conf
 REVERSE_PROXY_NEWS_PATH=../apps/draupnir/test/draupnir_news.json
-SYNAPSE_HTTP_ANTISPAM_SOURCE=../synapse-http-antispam/synapse_http_antispam.py
+SYNAPSE_HTTP_ANTISPAM_SOURCE=../../synapse-http-antispam/synapse_http_antispam.py
 SYNAPSE_ANTISPAM_BASE_URL=http://draupnir-integration:8082/api/1/spam_check
diff --git a/ci-in-a-box/compose.yaml b/ci-in-a-box/compose.yaml
index 7142da7e..acdec96c 100644
--- a/ci-in-a-box/compose.yaml
+++ b/ci-in-a-box/compose.yaml
@@ -30,7 +30,7 @@ services:
       PYTHONPATH: /data
     volumes:
       - synapse-data:/data
-      - ${SYNAPSE_HTTP_ANTISPAM_SOURCE:-../synapse-http-antispam/synapse_http_antispam.py}:/data/synapse_http_antispam.py:ro
+      - ${SYNAPSE_HTTP_ANTISPAM_SOURCE:-../../synapse-http-antispam/synapse_http_antispam.py}:/data/synapse_http_antispam.py:ro
     healthcheck:
       test:
         [
@@ -59,7 +59,7 @@ services:
       - synapse-data:/data
       - ./scripts/synapse/homeserver.overrides.yaml:/etc/ci-box/homeserver.overrides.yaml:ro
       - ./scripts/appservice/draupnir-registration.yaml:/etc/ci-box/draupnir-registration.yaml:ro
-      - ${SYNAPSE_HTTP_ANTISPAM_SOURCE:-../synapse-http-antispam/synapse_http_antispam.py}:/data/synapse_http_antispam.py:ro
+      - ${SYNAPSE_HTTP_ANTISPAM_SOURCE:-../../synapse-http-antispam/synapse_http_antispam.py}:/data/synapse_http_antispam.py:ro
     command:
       - -c
       - |