diff --git a/src/controllers/stats/leaderboardController.ts b/src/controllers/stats/leaderboardController.ts
index 7a292cfb..b76e5e16 100644
--- a/src/controllers/stats/leaderboardController.ts
+++ b/src/controllers/stats/leaderboardController.ts
@@ -6,7 +6,7 @@ export const leaderboardController: RequestHandler = async (req, res) => {
     logger.debug(`data provided to ${req.path}: ${String(req.body)}`);
     const payload = JSON.parse(String(req.body)) as ILeaderboardRequest;
     res.json({
-        results: await getLeaderboard(payload.field, payload.before, payload.after, payload.pivotId)
+        results: await getLeaderboard(payload.field, payload.before, payload.after, payload.guildId, payload.pivotId)
     });
 };
 
@@ -14,5 +14,6 @@ interface ILeaderboardRequest {
     field: string;
     before: number;
     after: number;
+    guildId?: string;
     pivotId?: string;
 }
diff --git a/src/models/leaderboardModel.ts b/src/models/leaderboardModel.ts
index 1dc50429..5de2f608 100644
--- a/src/models/leaderboardModel.ts
+++ b/src/models/leaderboardModel.ts
@@ -4,15 +4,17 @@ import { ILeaderboardEntryDatabase } from "../types/leaderboardTypes";
 const leaderboardEntrySchema = new Schema<ILeaderboardEntryDatabase>(
     {
         leaderboard: { type: String, required: true },
-        displayName: { type: String, required: true },
         ownerId: { type: Schema.Types.ObjectId, required: true },
+        displayName: { type: String, required: true },
         score: { type: Number, required: true },
+        guildId: Schema.Types.ObjectId,
         expiry: { type: Date, required: true }
     },
     { id: false }
 );
 
 leaderboardEntrySchema.index({ leaderboard: 1 });
+leaderboardEntrySchema.index({ leaderboard: 1, ownerId: 1 }, { unique: true });
 leaderboardEntrySchema.index({ expiry: 1 }, { expireAfterSeconds: 0 }); // With this, MongoDB will automatically delete expired entries.
 
 export const Leaderboard = model<ILeaderboardEntryDatabase>("Leaderboard", leaderboardEntrySchema);
diff --git a/src/services/leaderboardService.ts b/src/services/leaderboardService.ts
index 5827bd6f..011a3f62 100644
--- a/src/services/leaderboardService.ts
+++ b/src/services/leaderboardService.ts
@@ -5,7 +5,8 @@ export const submitLeaderboardScore = async (
     leaderboard: string,
     ownerId: string,
     displayName: string,
-    score: number
+    score: number,
+    guildId?: string
 ): Promise<void> => {
     const schedule = leaderboard.split(".")[0] as "daily" | "weekly";
     let expiry: Date;
@@ -20,8 +21,8 @@ export const submitLeaderboardScore = async (
         expiry = new Date(weekEnd);
     }
     await Leaderboard.findOneAndUpdate(
-        { leaderboard, displayName },
-        { $max: { score }, $set: { ownerId, expiry } },
+        { leaderboard, ownerId },
+        { $max: { score }, $set: { displayName, guildId, expiry } },
         { upsert: true }
     );
 };
@@ -30,23 +31,26 @@ export const getLeaderboard = async (
     leaderboard: string,
     before: number,
     after: number,
-    pivotId: string | undefined = undefined
+    guildId?: string,
+    pivotId?: string
 ): Promise<ILeaderboardEntryClient[]> => {
     let entries: TLeaderboardEntryDocument[];
     let r: number;
     if (pivotId) {
-        const pivotDoc = await Leaderboard.findOne({ leaderboard, ownerId: pivotId });
+        const pivotDoc = await Leaderboard.findOne({ leaderboard, guildId, ownerId: pivotId });
         if (!pivotDoc) {
             return [];
         }
         const beforeDocs = await Leaderboard.find({
             leaderboard,
+            guildId,
             score: { $gt: pivotDoc.score }
         })
             .sort({ score: 1 })
             .limit(before);
         const afterDocs = await Leaderboard.find({
             leaderboard,
+            guildId,
             score: { $lt: pivotDoc.score }
         })
             .sort({ score: -1 })
@@ -55,10 +59,11 @@ export const getLeaderboard = async (
         r =
             (await Leaderboard.countDocuments({
                 leaderboard,
+                guildId,
                 score: { $gt: pivotDoc.score }
             })) - beforeDocs.length;
     } else {
-        entries = await Leaderboard.find({ leaderboard })
+        entries = await Leaderboard.find({ leaderboard, guildId })
             .sort({ score: -1 })
             .skip(before)
             .limit(after - before);
diff --git a/src/services/statsService.ts b/src/services/statsService.ts
index 153c98d4..2c34997a 100644
--- a/src/services/statsService.ts
+++ b/src/services/statsService.ts
@@ -327,7 +327,8 @@ export const updateStats = async (accountOwnerId: string, payload: IStatsUpdate)
                                 "weekly.accounts." + category,
                                 accountOwnerId,
                                 payload.displayName,
-                                data as number
+                                data as number,
+                                payload.guildId
                             );
                             break;
 
diff --git a/src/types/leaderboardTypes.ts b/src/types/leaderboardTypes.ts
index b769c1cd..5173a3a3 100644
--- a/src/types/leaderboardTypes.ts
+++ b/src/types/leaderboardTypes.ts
@@ -2,9 +2,10 @@ import { Types } from "mongoose";
 
 export interface ILeaderboardEntryDatabase {
     leaderboard: string;
-    displayName: string;
     ownerId: Types.ObjectId;
+    displayName: string;
     score: number;
+    guildId?: Types.ObjectId;
     expiry: Date;
 }