diff --git a/salt-pillar/hosts/init.sls b/salt-pillar/hosts/init.sls
index 58d7021..9643d12 100644
--- a/salt-pillar/hosts/init.sls
+++ b/salt-pillar/hosts/init.sls
@@ -186,7 +186,7 @@ hosts-inet:
     used8:        172.20.73.18
     used9:        172.20.73.19
     ipa:          172.20.73.20
-    # unused:     172.20.73.21
+    matemat:      172.20.73.21
     used10:       172.20.73.22
     used11:       172.20.73.23
     used12:       172.20.73.24