diff --git a/scripts/s6/act_runner/run b/scripts/s6/act_runner/run
index e1edabef..dbea7746 100755
--- a/scripts/s6/act_runner/run
+++ b/scripts/s6/act_runner/run
@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+while [ ! -d /etc/s6/docker/supervise ]; do
+    sleep 0.1
+done
+
 s6-svwait -U /etc/s6/docker
 
 exec run.sh