2 files changed, 3 insertions, 3 deletions

diff --git a/lisp/textmodes/reftex-toc.el b/lisp/textmodes/reftex-toc.el
index 5d691f456f7..37983d17931 100644
--- a/lisp/textmodes/reftex-toc.el
+++ b/lisp/textmodes/reftex-toc.el
@@ -247,10 +247,10 @@ When called with a raw C-u prefix, rescan the document first."
 
       (unless unsplittable
         (if reftex-toc-split-windows-horizontally
-            (split-window-horizontally
+            (split-window-right
              (floor (* (window-width)
                        reftex-toc-split-windows-fraction)))
-          (split-window-vertically
+          (split-window-below
            (floor (* (window-height)
                      reftex-toc-split-windows-fraction)))))
 
diff --git a/lisp/textmodes/two-column.el b/lisp/textmodes/two-column.el
index 68b858162df..de9ac10d0e9 100644
--- a/lisp/textmodes/two-column.el
+++ b/lisp/textmodes/two-column.el
@@ -333,7 +333,7 @@ first and the associated buffer to its right."
   ;; first go to full width, so that we can certainly split into two windows
   (unless (window-full-width-p)
     (enlarge-window 99999 t))
-  (split-window-horizontally
+  (split-window-right
    (max window-min-width (min 2C-window-width
                               (- (frame-width) window-min-width))))
   (if (2C-other)