diff --git a/packages/backend/src/core/entities/EmojiEntityService.ts b/packages/backend/src/core/entities/EmojiEntityService.ts
index 0910ba06be..456ed3a6a8 100644
--- a/packages/backend/src/core/entities/EmojiEntityService.ts
+++ b/packages/backend/src/core/entities/EmojiEntityService.ts
@@ -124,6 +124,7 @@ export class EmojiEntityService {
 			localOnly: emoji.localOnly,
 			isSensitive: emoji.isSensitive,
 			roleIdsThatCanBeUsedThisEmojiAsReaction: roles.map(it => ({ id: it.id, name: it.name })),
+			sortKey: emoji.sortKey,
 		};
 	}
 
diff --git a/packages/backend/src/models/json-schema/emoji.ts b/packages/backend/src/models/json-schema/emoji.ts
index 38b6e58973..6fca61acff 100644
--- a/packages/backend/src/models/json-schema/emoji.ts
+++ b/packages/backend/src/models/json-schema/emoji.ts
@@ -193,5 +193,9 @@ export const packedEmojiDetailedAdminSchema = {
 				},
 			},
 		},
+		sortKey: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
 	},
 } as const;