diff --git a/swarm/ntfy.yaml b/swarm/ntfy.yaml
index 80110c9..a572a10 100644
--- a/swarm/ntfy.yaml
+++ b/swarm/ntfy.yaml
@@ -21,7 +21,7 @@ services:
         window: 120s
       placement:
         constraints:
-          - node.platform.arch != arm64
+          - node.platform.arch != aarch64
           - node.platform.arch != arm
       labels:
         # --- Caddy ---