1 files changed, 14 insertions, 16 deletions

diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index 4b2c3ae05df..f6c65b56d39 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -899,25 +899,23 @@ Returns the compilation buffer created."
             (funcall compilation-process-setup-function))
         ;; Start the compilation.
         (if (fboundp 'start-process)
-            (let* ((process-environment process-environment)
+            (let* ((process-environment
+                    (append
+                     (if (and (boundp 'system-uses-terminfo)
+                              system-uses-terminfo)
+                         (list "TERM=dumb" "TERMCAP="
+                               (format "COLUMNS=%d" (window-width)))
+                       (list "TERM=emacs"
+                             (format "TERMCAP=emacs:co#%d:tc=unknown:"
+                                     (window-width))))
+                     ;; Set the EMACS variable, but
+                     ;; don't override users' setting of $EMACS.
+                     (if (getenv "EMACS")
+                         process-environment
+                       (cons "EMACS=t" process-environment))))
                    (proc (start-process-shell-command (downcase mode-name)
                                                       outbuf
                                                       command)))
-              ;; Set the terminal type.
-              ;; There is similar code in comint.el.
-              (setq process-environment
-                    (if (and (boundp 'system-uses-terminfo)
-                             system-uses-terminfo)
-                        (list "TERM=dumb" "TERMCAP="
-                              (format "COLUMNS=%d" (window-width)))
-                      (list "TERM=emacs"
-                            (format "TERMCAP=emacs:co#%d:tc=unknown:"
-                                    (window-width)))))
-              ;; Set the EMACS variable, but
-              ;; don't override users' setting of $EMACS.
-              (if (getenv "EMACS")
-                  (setq process-environment
-                        (cons "EMACS=t" process-environment)))
               (set-process-sentinel proc 'compilation-sentinel)
               (set-process-filter proc 'compilation-filter)
               (set-marker (process-mark proc) (point) outbuf)