3 files changed, 5 insertions, 5 deletions

diff --git a/lisp/progmodes/ada-xref.el b/lisp/progmodes/ada-xref.el
index 7751f3e98fc..4a57a1eef67 100644
--- a/lisp/progmodes/ada-xref.el
+++ b/lisp/progmodes/ada-xref.el
@@ -1438,7 +1438,7 @@ project file."
       ;;  is going to have some relevant information.
       (if (or (not (string-match "gvd" (comint-arguments cmd 0 0)))
               (string-match "--tty" cmd))
-          (split-window-vertically))
+          (split-window-below))
       (switch-to-buffer buffer)
       )))
 
diff --git a/lisp/progmodes/fortran.el b/lisp/progmodes/fortran.el
index d30b9673d09..fd3d42685f0 100644
--- a/lisp/progmodes/fortran.el
+++ b/lisp/progmodes/fortran.el
@@ -1097,7 +1097,7 @@ See also `fortran-window-create-momentarily'."
            (scroll-bar-width (- (nth 2 window-edges)
                                 (car window-edges)
                                 (window-width))))
-      (split-window-horizontally (+ fortran-line-length scroll-bar-width)))
+      (split-window-right (+ fortran-line-length scroll-bar-width)))
     (other-window 1)
     (switch-to-buffer " fortran-window-extra" t)
     (select-window (previous-window))))
diff --git a/lisp/progmodes/gdb-mi.el b/lisp/progmodes/gdb-mi.el
index dde00d753ac..f9ddabf1552 100644
--- a/lisp/progmodes/gdb-mi.el
+++ b/lisp/progmodes/gdb-mi.el
@@ -4028,7 +4028,7 @@ window is dedicated."
   (let ((win0 (selected-window))
         (win1 (split-window nil ( / ( * (window-height) 3) 4)))
         (win2 (split-window nil ( / (window-height) 3)))
-        (win3 (split-window-horizontally)))
+        (win3 (split-window-right)))
     (gdb-set-window-buffer (gdb-locals-buffer-name) nil win3)
     (select-window win2)
     (set-window-buffer
@@ -4041,12 +4041,12 @@ window is dedicated."
          ;; can't find a source file.
          (list-buffers-noselect))))
     (setq gdb-source-window (selected-window))
-    (let ((win4 (split-window-horizontally)))
+    (let ((win4 (split-window-right)))
       (gdb-set-window-buffer
        (gdb-get-buffer-create 'gdb-inferior-io) nil win4))
     (select-window win1)
     (gdb-set-window-buffer (gdb-stack-buffer-name))
-    (let ((win5 (split-window-horizontally)))
+    (let ((win5 (split-window-right)))
       (gdb-set-window-buffer (if gdb-show-threads-by-default
                                  (gdb-threads-buffer-name)
                                (gdb-breakpoints-buffer-name))