diff --git a/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java b/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java
index 31838d3..daee350 100644
--- a/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java
+++ b/src/fr/devinsy/statoolinfos/checker/PropertyChecker.java
@@ -79,7 +79,7 @@ public class PropertyChecker
         this.federationRules.add("federation.logo", URL, PropertyMode.WISHED);
         this.federationRules.add("federation.contact.url", URL, PropertyMode.WISHED);
         this.federationRules.add("federation.contact.email", EMAIL, PropertyMode.WISHED);
-        this.federationRules.add("federation.socialnetworks.…", "^federation\\.socialnetworks\\.\\S+$", URL, PropertyMode.WISHED);
+        this.federationRules.add("federation.socialnetworks.…", "^federation\\.socialnetworks\\.\\S+$", URL, PropertyMode.OPTIONAL);
         this.federationRules.add("federation.legal.url", URL, PropertyMode.WISHED);
         this.federationRules.add("federation.legal", URL, PropertyMode.WISHED);
         this.federationRules.add("federation.guide.user", URL, PropertyMode.WISHED);
@@ -111,7 +111,7 @@ public class PropertyChecker
         this.organizationRules.add("organization.status.description", STRING, PropertyMode.OPTIONAL);
         this.organizationRules.add("organization.website", URL, PropertyMode.WISHED);
         this.organizationRules.add("organization.logo", URL, PropertyMode.WISHED);
-        this.organizationRules.add("organization.socialnetworks.…", "^organization\\.socialnetworks\\.\\S+$", URL, PropertyMode.WISHED);
+        this.organizationRules.add("organization.socialnetworks.…", "^organization\\.socialnetworks\\.\\S+$", URL, PropertyMode.OPTIONAL);
         this.organizationRules.add("organization.owner.name", STRING, PropertyMode.OPTIONAL);
         this.organizationRules.add("organization.owner.website", URL, PropertyMode.OPTIONAL);
         this.organizationRules.add("organization.owner.logo", URL, PropertyMode.OPTIONAL);