--- a/components/blackbox/values.cue
+++ b/components/blackbox/values.cue
@@ -1,6 +1,11 @@
 package holos
 
+// Import common blackbox configuration
+import "holos.example/config/prometheus"
+
 Helm: Values: {
+	fullnameOverride: prometheus.blackbox.host
+
 	global: {
 		//# Global image registry to use if it needs to be overriden for some specific use cases (e.g local registries, custom images, ...)
 		//#
@@ -192,7 +197,7 @@ Helm: Values: {
 		annotations: {}
 		labels: {}
 		type: "ClusterIP"
-		port: 9115
+		port: prometheus.blackbox.port
 		ipDualStack: {
 			enabled: false
 			ipFamilies: ["IPv6", "IPv4"]
--- a/components/prometheus/values.cue
+++ b/components/prometheus/values.cue
@@ -1,5 +1,8 @@
 package holos

+// Import common blackbox configuration
+import "holos.example/config/prometheus"
+
 Helm: Values: {
        // yaml-language-server: $schema=values.schema.json
        // Default values for prometheus.
@@ -1083,7 +1086,7 @@ Helm: Values: {
 					target_label: "__param_target"
 				}, {
 					target_label: "__address__"
-					replacement:  "blackbox"
+					replacement:  "\(prometheus.blackbox.host):\(prometheus.blackbox.port)"
 				}, {
 					source_labels: ["__param_target"]
 					target_label: "instance"