diff --git a/13/alpine/docker-entrypoint.sh b/13/alpine/docker-entrypoint.sh
index 2e32d2d49b..4bef98331b 100755
--- a/13/alpine/docker-entrypoint.sh
+++ b/13/alpine/docker-entrypoint.sh
@@ -38,7 +38,7 @@ docker_create_db_directories() {
 
 	mkdir -p "$PGDATA"
 	# ignore failure since there are cases where we can't chmod (and PostgreSQL might fail later anyhow - it's picky about permissions of this directory)
-	chmod 700 "$PGDATA" || :
+	chmod 750 "$PGDATA" || :
 
 	# ignore failure since it will be fine when using the image provided directory; see also https://github.com/docker-library/postgres/pull/289
 	mkdir -p /var/run/postgresql || :