diff --git a/4.4/init.sh b/4.4/init.sh
index b4a351f..4cacfae 100755
--- a/4.4/init.sh
+++ b/4.4/init.sh
@@ -65,7 +65,7 @@ fi
 
 # if we use a bind mount then the PG directory is empty and we have to create it
 if [ ! -f /var/lib/postgresql/14/main/PG_VERSION ]; then
-  chown postgres /var/lib/postgresql/14/main
+  chown postgres:postgres /var/lib/postgresql/14/main
   sudo -u postgres /usr/lib/postgresql/14/bin/initdb -D /var/lib/postgresql/14/main
 fi