diff --git a/src/mount/mount.ceph.c b/src/mount/mount.ceph.c
index 3a612f3d45d..e970648c59d 100644
--- a/src/mount/mount.ceph.c
+++ b/src/mount/mount.ceph.c
@@ -508,6 +508,9 @@ int main(int argc, char *argv[])
 		case ENODEV:
 			fprintf(stderr, "mount error: ceph filesystem not supported by the system\n");
 			break;
+		case EHOSTUNREACH:
+			fprintf(stderr, "mount error: no mds server is up or the cluster is laggy\n");
+			break;
 		default:
 			fprintf(stderr, "mount error %d = %s\n",errno,strerror(errno));
 		}