1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/hideshow.el b/lisp/progmodes/hideshow.el
index 0e4e67018ed..5328526abd9 100644
--- a/lisp/progmodes/hideshow.el
+++ b/lisp/progmodes/hideshow.el
@@ -582,7 +582,7 @@ and then further adjusted to be at the end of the line."
           (setq p (line-end-position)))
         ;; `q' is the point at the end of the block
         (hs-forward-sexp mdata 1)
-        (setq q (if (looking-back hs-block-end-regexp)
+        (setq q (if (looking-back hs-block-end-regexp nil)
                     (match-beginning 0)
                   (point)))
         (when (and (< p q) (> (count-lines p q) 1))