diff --git a/bitnami/mongodb-sharded/7.0/debian-11/rootfs/opt/bitnami/scripts/libmongodb.sh b/bitnami/mongodb-sharded/7.0/debian-11/rootfs/opt/bitnami/scripts/libmongodb.sh
index 7a6b5c08647b..ad0a0b15edb6 100644
--- a/bitnami/mongodb-sharded/7.0/debian-11/rootfs/opt/bitnami/scripts/libmongodb.sh
+++ b/bitnami/mongodb-sharded/7.0/debian-11/rootfs/opt/bitnami/scripts/libmongodb.sh
@@ -1052,7 +1052,7 @@ mongodb_is_primary_node_up() {
 db.isMaster().ismaster
 EOF
     )
-    grep -q "true" <<<"$result"
+    grep -qE ".*\[direct:\s?\S+\]\s+admin>\s+true" <<<"$result"
 }
 
 ########################