diff --git a/lisp/startup.el b/lisp/startup.el
index f18795ae6ac..738eec772ec 100644
--- a/lisp/startup.el
+++ b/lisp/startup.el
@@ -854,6 +854,12 @@ It is the default value of the variable `top-level'."
     ;; We are careful to do it late (after term-setup-hook), although the
     ;; new multi-tty code does not use $TERM any more there anyway.
     (setenv "TERM" "dumb")
+    ;; Similarly, a subprocess should not try to invoke a pager, as most
+    ;; pagers will fail in a dumb terminal.  Many programs default to
+    ;; using "less" when PAGER is unset, so set PAGER to "cat"; using cat
+    ;; as a pager is equivalent to not using a pager at all.
+    (when (executable-find "cat")
+      (setenv "PAGER" "cat"))
     ;; Remove DISPLAY from the process-environment as well.  This allows
     ;; `callproc.c' to give it a useful adaptive default which is either
     ;; the value of the `display' frame-parameter or the DISPLAY value