diff --git a/base/entrypoint.sh b/base/entrypoint.sh
index a240d90..e37bf20 100644
--- a/base/entrypoint.sh
+++ b/base/entrypoint.sh
@@ -109,7 +109,7 @@ function wait_for_it()
     echo "[$i/$max_try] $service:${port} is available."
 }
 
-for i in "${SERVICE_PRECONDITION[@]}"
+for i in ${SERVICE_PRECONDITION[@]}
 do
     wait_for_it ${i}
 done