diff --git a/tofu/flatcar-resolver.bu b/tofu/flatcar-resolver.bu
index f3e77d3..42d463f 100644
--- a/tofu/flatcar-resolver.bu
+++ b/tofu/flatcar-resolver.bu
@@ -111,6 +111,8 @@ storage:
 
 systemd:
   units:
+    - name: systemd-resolved.service
+      mask: true
     - name: docker.service
       enabled: true
     - name: unbound.service
diff --git a/tofu/flatcar-resolver2.bu b/tofu/flatcar-resolver2.bu
index 2cfd25e..d8db45d 100644
--- a/tofu/flatcar-resolver2.bu
+++ b/tofu/flatcar-resolver2.bu
@@ -111,6 +111,8 @@ storage:
 
 systemd:
   units:
+    - name: systemd-resolved.service
+      mask: true
     - name: docker.service
       enabled: true
     - name: unbound.service