diff --git a/src/00_init.sh b/src/00_init.sh
index 353ad26..68c9e16 100644
--- a/src/00_init.sh
+++ b/src/00_init.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 if [ "$DISABLE_AUTH" == true ]; then
-    sed -i '' '/auth_basic/s/^/#/' /etc/nginx/conf.d/default.conf
+    sed -i '/auth_basic/s/^/#/' /etc/nginx/conf.d/default.conf
 elif [ ! -z "$WEBUSER" ]; then
     addauth $WEBUSER $WEBPASSWORD
 fi