diff --git a/src/schema.graphql b/src/schema.graphql
index e5ce16e65..0e4e2652b 100644
--- a/src/schema.graphql
+++ b/src/schema.graphql
@@ -48,6 +48,8 @@ type User {
   organizationsCreated: [Organization] @relation(name: "CREATED_ORGA", direction: "OUT")
   organizationsOwned: [Organization] @relation(name: "OWNING_ORGA", direction: "OUT")
 
+  blacklisted: [User]! @relation(name: "BLACKLISTED", direction: "OUT")
+
   badges: [Badge]! @relation(name: "REWARDED", direction: "IN")
   badgesCount: Int! @cypher(statement: "MATCH (this)<-[:REWARDED]-(r:Badge) RETURN COUNT(r)")
 }
diff --git a/src/seed/seed-mutations.js b/src/seed/seed-mutations.js
index 03a7847ea..66ccfad1f 100644
--- a/src/seed/seed-mutations.js
+++ b/src/seed/seed-mutations.js
@@ -27,6 +27,8 @@ export default `
       role
     }
 
+    u1_blacklist_u4: AddUserBlacklisted(from: { id: "u1" }, to: { id: "u4" }) { from { id } }
+
     # Badges
     b1: CreateBadge(id: "b1", key: "indiegogo_en_racoon", type: Crowdfunding, status: Permanent, icon: "indiegogo_en_racoon") { id }
     b2: CreateBadge(id: "b2", key: "indiegogo_en_rabbit", type: Crowdfunding, status: Permanent, icon: "indiegogo_en_rabbit") { id }