diff --git a/scripts/common-obs.sh b/scripts/common-obs.sh
index 34f2549d..3a5c0c1e 100644
--- a/scripts/common-obs.sh
+++ b/scripts/common-obs.sh
@@ -280,3 +280,17 @@ osmo_obs_get_commit_version() {
 
 	echo -n "$version"
 }
+
+# Verify that $FEED is in $FEEDS
+osmo_obs_verify_feed() {
+	local i
+
+	for i in $FEEDS; do
+		if [ "$i" = "$FEED" ]; then
+			return
+		fi
+	done
+
+	echo "unsupported feed: $FEED"
+	exit 1
+}
diff --git a/scripts/osmocom-latest-packages.sh b/scripts/osmocom-latest-packages.sh
index d942e9db..31fc8772 100755
--- a/scripts/osmocom-latest-packages.sh
+++ b/scripts/osmocom-latest-packages.sh
@@ -24,19 +24,6 @@ TOP=$(pwd)
 DEBSRCDIR="$TOP/debsrc"
 FEED="${FEED:-latest}"
 
-verify_feed() {
-  local i
-
-  for i in $FEEDS; do
-    if [ "$i" = "$FEED" ]; then
-      return
-    fi
-  done
-
-  echo "unsupported feed: $FEED"
-  exit 1
-}
-
 ### OBS build
 prepare() {
   # start with a checkout of the project
@@ -259,5 +246,5 @@ build_osmocom() {
   osc ci -m "$FEED versions of $DT" --noservice
 }
 
-verify_feed
+osmo_obs_verify_feed
 build_osmocom
diff --git a/scripts/osmocom-nightly-packages.sh b/scripts/osmocom-nightly-packages.sh
index ef2d7efa..62528c21 100755
--- a/scripts/osmocom-nightly-packages.sh
+++ b/scripts/osmocom-nightly-packages.sh
@@ -11,6 +11,11 @@
 . "$(dirname "$0")/common.sh"
 . "$(dirname "$0")/common-obs.sh"
 
+FEEDS="
+  next
+  nightly
+"
+
 set -e
 set -x
 
@@ -19,11 +24,6 @@ OSMO_OBS_CONFLICT_PKGVER="$OSMO_OBS_CONFLICT_PKGVER.$DT"
 TOP=$(pwd)/$(mktemp -d nightly-3g_XXXXXX)
 FEED="${FEED:-nightly}"
 
-if [ "$FEED" != "nightly" ] && [ "$FEED" != "next" ]; then
-  echo "unsupported feed: $FEED"
-  exit 1
-fi
-
 ### OBS build
 prepare() {
   # clean up the whole space
@@ -269,4 +269,5 @@ build_osmocom() {
   post
 }
 
+osmo_obs_verify_feed
 build_osmocom