diff --git a/docker/frontend/entrypoint.sh b/docker/frontend/entrypoint.sh
index b6d5a0d..4ba6324 100755
--- a/docker/frontend/entrypoint.sh
+++ b/docker/frontend/entrypoint.sh
@@ -7,7 +7,7 @@ BACKEND_DIR="$APP_DIR/apps/backend"
 PUBLIC_DIR="$BACKEND_DIR/public"
 PHP_PORT=9000
 
-/usr/local/bin/wait-for-it.sh "BACKEND_DIR:$PHP_PORT" -t 300
+/usr/local/bin/wait-for-it.sh "$BACKEND_DIR:$PHP_PORT" -t 300
 
 cd "$FRONTEND_DIR"
 npm ci --prefer-offline --no-audit