diff --git a/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java b/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java
index b37b5c9..a2a1e2b 100644
--- a/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java
+++ b/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java
@@ -183,6 +183,7 @@ public class PropertyChecker
 
         this.serviceRules.add("host.name", STRING, PropertyMode.MANDATORY);
         this.serviceRules.add("host.description", STRING, PropertyMode.OPTIONAL);
+        this.serviceRules.add("host.server.distribution", STRING, PropertyMode.MANDATORY);
         this.serviceRules.add("host.server.type", "^(NANO|PHYSICAL|VIRTUAL|SHARED|CLOUD)$", PropertyMode.MANDATORY);
         this.serviceRules.add("host.provider.type", "^(HOME|HOSTEDBAY|HOSTEDSERVER|OUTSOURCED)$", PropertyMode.MANDATORY);
         this.serviceRules.add("host.country.name", STRING, PropertyMode.WISHED);