diff --git a/puppet/services/memcached.yaml b/puppet/services/memcached.yaml
index ab11a6336b..21ac02b4bd 100644
--- a/puppet/services/memcached.yaml
+++ b/puppet/services/memcached.yaml
@@ -74,9 +74,10 @@ outputs:
       config_settings:
         memcached_network:
           str_replace:
-            template: "NETWORK_subnet"
+            template:
+              "%{hiera('$NETWORK_subnet')}"
             params:
-              NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
+              $NETWORK: {get_param: [ServiceNetMap, MemcachedNetwork]}
         # NOTE: bind IP is found in hiera replacing the network name with the local node IP
         # for the given network; replacement examples (eg. for internal_api):
         # internal_api -> IP