diff --git a/src/server-extension/resolvers/top_collections.ts b/src/server-extension/resolvers/top_collections.ts
index dbfc5cda4..8b539f88c 100644
--- a/src/server-extension/resolvers/top_collections.ts
+++ b/src/server-extension/resolvers/top_collections.ts
@@ -65,7 +65,7 @@ export class CollectionRow {
     category!: string
 
     @Field({ nullable: true })
-    verified_at!: string
+    verifiedAt!: string
 
     @Field(() => Json, { nullable: true })
     stats!: typeof JSON
@@ -125,7 +125,7 @@ export class TopCollectionResolver {
                     .addSelect('stats AS stats')
                     .addSelect('volume_last_duration AS volume')
                     .addSelect('sales_last_duration AS sales')
-                    .addSelect('to_char(verified_at) AS verified_at')
+                    .addSelect('verified_at::text AS "verifiedAt"')
                     .addSelect('category AS category')
                     .addSelect(
                         'CASE WHEN volume_previous_duration != 0 THEN ROUND((volume_last_duration - volume_previous_duration) * 100 / volume_previous_duration, 2) ELSE null END AS volume_change'