diff --git a/mc-mark-more.el b/mc-mark-more.el
index 7e240a1..22110c6 100644
--- a/mc-mark-more.el
+++ b/mc-mark-more.el
@@ -270,7 +270,8 @@ With zero ARG, skip the last one and mark next."
         (case-fold-search nil))
     (mc/remove-fake-cursors)
     (goto-char beg)
-    (while (search-forward search end t)
+    (while (and (not (string= search ""))
+                (search-forward search end t))
       (push-mark (match-beginning 0))
       (mc/create-fake-cursor-at-point))
     (let ((first (mc/furthest-cursor-before-point)))