diff --git a/sys/fs/nfsserver/nfs_nfsdstate.c b/sys/fs/nfsserver/nfs_nfsdstate.c
index fc947e31ac7..27fe446dc21 100644
--- a/sys/fs/nfsserver/nfs_nfsdstate.c
+++ b/sys/fs/nfsserver/nfs_nfsdstate.c
@@ -3705,7 +3705,7 @@ nfsrv_nextclientindex(void)
 	if (client_index != 0)
 		return (client_index);
 
-	printf("out of clientids\n");
+	printf("%s: out of clientids\n", __func__);
 	return (client_index);
 }