diff --git a/Makefile b/Makefile
index 476248c..d607c8e 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ define rpmbuild
 		-D '_sourcedir %_topdir' \
 		-D '_specdir %_topdir' \
 		-D '_srcrpmdir %_topdir' \
-
+		$(RPMBUILD_ARGS)
 endef
 
 rpm: $(O)/$(ARCH)/$(RPM)
diff --git a/ci/build.sh b/ci/build.sh
index 39b53c2..1ad13cd 100644
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -3,4 +3,4 @@
 install -o 1000 -g 1000 -d f${FEDORA}
 
 setpriv --reuid 1000 --regid 1000 --keep-groups \
-make O=f${FEDORA} srpm rpm
+make O=f${FEDORA} RPMBUILD_ARGS="-D '_rpmautospec_release_number ${BUILD_NUMBER}'" srpm rpm
diff --git a/notify-online.sh b/notify-online.sh
index 24fa5e3..beea9bf 100644
--- a/notify-online.sh
+++ b/notify-online.sh
@@ -9,5 +9,15 @@ if [ -r "${fw_cfg}" ]; then
     set -- "$@" -F branch="$(cat "${fw_cfg}")"
 fi
 
+set -- "$(cat /proc/cmdline)"
+while [ $# -gt 0 ]; do
+    case "$1" in
+    dch.cfg-branch=*)
+        set -- "$@" -F branch="${1#*=}"
+        ;;
+    esac
+    shift
+done
+
 cat /etc/ssh/ssh_host_*_key.pub \
     | curl -fsS https://webhooks.pyrocufflink.blue/host/online "$@"