1 files changed, 4 insertions, 4 deletions

diff --git a/lisp/textmodes/two-column.el b/lisp/textmodes/two-column.el
index 2568b53fe36..eebd1923b63 100644
--- a/lisp/textmodes/two-column.el
+++ b/lisp/textmodes/two-column.el
@@ -347,8 +347,8 @@ When called again, restores the screen layout with the current buffer
 first and the associated buffer to its right."
   (interactive "P")
   ;; first go to full width, so that we can certainly split into two windows
-  (if (< (window-width) (frame-width))
-      (enlarge-window 99999 t))
+  (unless (window-full-width-p)
+    (enlarge-window 99999 t))
   (split-window-horizontally
    (max window-min-width (min 2C-window-width
                               (- (frame-width) window-min-width))))
@@ -533,8 +533,8 @@ off trailing spaces with \\[delete-trailing-whitespace]."
           (insert 2C-separator string))
         (next-line 1)                   ; add one if necessary
         (set-buffer b2))))
-  (if (< (window-width) (frame-width))
-      (enlarge-window 99999 t)))
+  (unless (window-full-width-p)
+    (enlarge-window 99999 t)))
 
 ;;;;; utility functions ;;;;;