1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/ada-mode.el b/lisp/progmodes/ada-mode.el
index cac7227969c..9076eb24499 100644
--- a/lisp/progmodes/ada-mode.el
+++ b/lisp/progmodes/ada-mode.el
@@ -282,7 +282,7 @@ This is a good place to add Ada environment specific bindings.")
   :type 'string
   :group 'ada)
 
-(defcustom ada-tmp-directory "/tmp/"
+(defcustom ada-tmp-directory temporary-file-directory
   "*Directory to store the temporary file for the Ada pretty printer."
   :type 'string
   :group 'ada)