diff --git a/cdist/conf/type/__prometheus_server/manifest b/cdist/conf/type/__prometheus_server/manifest
index 8685130f..d337f6d2 100755
--- a/cdist/conf/type/__prometheus_server/manifest
+++ b/cdist/conf/type/__prometheus_server/manifest
@@ -17,7 +17,7 @@ rule_files="$(cat "$__object/parameter/rule-files")"
 
 ##### INSTALL THE PACKAGE ###################################################
 
-require_pkg=""  # what to require if I want to require "the package"
+require_pkg="prometheus"  # what to require if I want to require "the package"
 require=""
 if [ -f "$__object/parameter/install-from-backports" ]; then
 	os=$(cat "$__global/explorer/os")
@@ -33,6 +33,7 @@ if [ -f "$__object/parameter/install-from-backports" ]; then
 		*)
 			echo "--install-from-backports is only supported on Devuan -- ignoring." >&2
 			echo "Send a pull request if you require it." >&2
+			exit 1
 		;;
 	esac
 else