diff --git a/components/gitpod-db/src/typeorm/entity/db-workspace-cluster.ts b/components/gitpod-db/src/typeorm/entity/db-workspace-cluster.ts
index cc8ab9b351d202..79fd8a9d881d96 100644
--- a/components/gitpod-db/src/typeorm/entity/db-workspace-cluster.ts
+++ b/components/gitpod-db/src/typeorm/entity/db-workspace-cluster.ts
@@ -86,7 +86,7 @@ export class DBWorkspaceCluster implements WorkspaceCluster {
     })
     admissionConstraints?: AdmissionConstraint[];
 
-    @Column({
+    @PrimaryColumn({
         type: "varchar",
         length: 60,
     })