diff --git a/docker/php/scripts/wait-typesense.sh b/docker/php/scripts/wait-typesense.sh
index 6d4dd33..2ab9f0a 100644
--- a/docker/php/scripts/wait-typesense.sh
+++ b/docker/php/scripts/wait-typesense.sh
@@ -1,3 +1,5 @@
+#!/bin/sh
+
 while [ ! -f /typesense-data/api-key ]; do
   sleep 1
-done
\ No newline at end of file
+done