diff --git a/scripts/install_pve.sh b/scripts/install_pve.sh
index 258327d..2899984 100644
--- a/scripts/install_pve.sh
+++ b/scripts/install_pve.sh
@@ -1205,7 +1205,7 @@ iface vmbr0 inet static
     bridge_fd 0
 
 iface vmbr0 inet6 static
-        address ${ipv6_address_without_last_segment}:1/128
+        address ${ipv6_address_without_last_segment}1/128
         gateway ${ipv6_gateway}
 EOF
     fi