diff --git a/metallb/base/metallb-ip-address-pool.yaml b/metallb/base/metallb-ip-address-pool.yaml
index 7db1745..f7d4946 100644
--- a/metallb/base/metallb-ip-address-pool.yaml
+++ b/metallb/base/metallb-ip-address-pool.yaml
@@ -6,5 +6,5 @@ metadata:
 spec:
   addresses:
   - 192.168.10.150-192.168.10.199
-  - 2a02:a442:ba11:1:150::/122
+  - 2a02:a442:ba11:1::150/122
   autoAssign: false