diff --git a/e/emacs/SlackBuild b/e/emacs/SlackBuild
index e2150cd2..3aa5a308 100755
--- a/e/emacs/SlackBuild
+++ b/e/emacs/SlackBuild
@@ -31,6 +31,8 @@ PKGNAM=emacs
 BUILD=${BUILD:-1}
 TAG=gwh
 
+BRANCH=${BRANCH:-master}
+
 REPOSITORY=/home/installs/SlackBuilds/repositories/$PKGNAM
 
 # Automatically determine the architecture we're building on: