diff --git a/rootfs/bin/docker-entrypoint.sh b/rootfs/bin/docker-entrypoint.sh
index e81b0b94b..94178568c 100755
--- a/rootfs/bin/docker-entrypoint.sh
+++ b/rootfs/bin/docker-entrypoint.sh
@@ -17,7 +17,7 @@ shutdown() {
 
   # kill any other processes still running in the container
   for _pid  in $(ps -eo pid | grep -v PID  | tr -d ' ' | grep -v '^1$' | head -n -6); do
-    timeout -t 5 /bin/sh -c "kill $_pid && wait $_pid || kill -9 $_pid"
+    timeout 5 /bin/sh -c "kill $_pid && wait $_pid || kill -9 $_pid"
   done
   exit
 }
@@ -67,4 +67,4 @@ done
 trap shutdown SIGTERM SIGHUP SIGQUIT SIGINT
 wait $RUNSVDIR
 
-shutdown
\ No newline at end of file
+shutdown