diff --git a/lib/aws/bootstrap/helm-prometheus-adapter.tf b/lib/aws/bootstrap/helm-prometheus-adapter.tf
index 736ae7cd..32c0257e 100644
--- a/lib/aws/bootstrap/helm-prometheus-adapter.tf
+++ b/lib/aws/bootstrap/helm-prometheus-adapter.tf
@@ -18,7 +18,7 @@ resource "helm_release" "prometheus-adapter" {
 
   set {
     name = "prometheus.url"
-    value = "prometheus-operated.${helm_release.prometheus_operator.namespace}.svc"
+    value = "http://prometheus-operated.${helm_release.prometheus_operator.namespace}.svc"
   }
 
   # PDB
diff --git a/lib/digitalocean/bootstrap/helm-prometheus-adapter.tf b/lib/digitalocean/bootstrap/helm-prometheus-adapter.tf
index ff5475f6..a1c0f4e3 100644
--- a/lib/digitalocean/bootstrap/helm-prometheus-adapter.tf
+++ b/lib/digitalocean/bootstrap/helm-prometheus-adapter.tf
@@ -18,7 +18,7 @@ resource "helm_release" "prometheus-adapter" {
 
   set {
     name = "prometheus.url"
-    value = "prometheus-operated.${helm_release.prometheus_operator.namespace}.svc"
+    value = "http://prometheus-operated.${helm_release.prometheus_operator.namespace}.svc"
   }
 
   # PDB