diff --git a/nise-frontend/src/app/search/search.component.html b/nise-frontend/src/app/search/search.component.html
index 8f18dbe..f7662a6 100644
--- a/nise-frontend/src/app/search/search.component.html
+++ b/nise-frontend/src/app/search/search.component.html
@@ -157,7 +157,7 @@
                     <ng-container *ngIf="column.type == 'string'">
 
                       <ng-container *ngIf="column.name == 'user_username'; else stringField">
-                        <a [href]="'/u/' + getValue(entry, column.name)" target="_blank">{{ getValue(entry, column.name) }}</a>
+                        <a [href]="'/u/' + getValue(entry, 'user_id')" target="_blank">{{ getValue(entry, column.name) }}</a>
                       </ng-container>
                       <ng-template #stringField>
                         {{ getValue(entry, column.name) }}
diff --git a/nise-frontend/src/app/search/search.component.ts b/nise-frontend/src/app/search/search.component.ts
index b5652f5..2ee4a61 100644
--- a/nise-frontend/src/app/search/search.component.ts
+++ b/nise-frontend/src/app/search/search.component.ts
@@ -346,7 +346,7 @@ export class SearchComponent implements OnInit {
 
   getLink(entry: any): any {
     if(this.searchType === 'user') {
-      return "/u/" + this.getValue(entry, 'username');
+      return "/u/" + this.getValue(entry, 'user_id');
     } else {
       return "/s/" + this.getValue(entry, 'replay_id');
     }
diff --git a/nise-frontend/src/app/view-replay-pair/view-replay-pair.component.html b/nise-frontend/src/app/view-replay-pair/view-replay-pair.component.html
index 6a6582a..b0fb616 100644
--- a/nise-frontend/src/app/view-replay-pair/view-replay-pair.component.html
+++ b/nise-frontend/src/app/view-replay-pair/view-replay-pair.component.html
@@ -62,11 +62,11 @@
         <tr>
           <td>Player</td>
           <td>
-            <a [routerLink]="['/u/' + this.pair.replays[0].username]">{{ this.pair.replays[0].username }}</a>
+            <a [routerLink]="['/u/' + this.pair.replays[0].user_id]">{{ this.pair.replays[0].username }}</a>
             <a class="btn" style="margin-left: 5px" href="https://osu.ppy.sh/users/{{ this.pair.replays[0].user_id }}" target="_blank">osu!web</a>
           </td>
           <td>
-            <a [routerLink]="['/u/' + this.pair.replays[1].username]">{{ this.pair.replays[1].username }}</a>
+            <a [routerLink]="['/u/' + this.pair.replays[1].user_id]">{{ this.pair.replays[1].username }}</a>
             <a class="btn" style="margin-left: 5px" href="https://osu.ppy.sh/users/{{ this.pair.replays[1].user_id }}" target="_blank">osu!web</a>
           </td>
         </tr>
diff --git a/nise-frontend/src/app/view-score/view-score.component.html b/nise-frontend/src/app/view-score/view-score.component.html
index a47c08c..2ca4224 100644
--- a/nise-frontend/src/app/view-score/view-score.component.html
+++ b/nise-frontend/src/app/view-score/view-score.component.html
@@ -33,7 +33,7 @@
             </div>
           </div>
           <div class="score-player__row score-player__row--player mt-2">
-            Played by <a [routerLink]="['/u/' + this.replayData.username]">{{ this.replayData.username }}</a> <a *ngIf="this.replayData.user_id" class="btn" style="margin-left: 5px" href="https://osu.ppy.sh/users/{{ this.replayData.user_id }}" target="_blank">osu!web</a>
+            Played by <a [routerLink]="['/u/' + this.replayData.user_id ?? this.replayData.username]">{{ this.replayData.username }}</a> <a *ngIf="this.replayData.user_id" class="btn" style="margin-left: 5px" href="https://osu.ppy.sh/users/{{ this.replayData.user_id }}" target="_blank">osu!web</a>
             <ng-container *ngIf="!this.isUserScore">
               <br>
               Submitted on <strong>{{ this.replayData.date }}</strong>
@@ -196,7 +196,7 @@
       <tbody>
       <tr *ngFor="let score of this.replayData.similar_scores">
         <td class="text-center">
-          <a [routerLink]="['/u/' + score.username]">{{ score.username }}</a>
+          <a [routerLink]="['/u/' + score.user_id]">{{ score.username }}</a>
         </td>
         <td class="text-center">
           {{ score.pp | number: '1.2-2' }}
diff --git a/nise-frontend/src/app/view-suspicious-scores/view-suspicious-scores.component.html b/nise-frontend/src/app/view-suspicious-scores/view-suspicious-scores.component.html
index 9a5d872..e0faf7f 100644
--- a/nise-frontend/src/app/view-suspicious-scores/view-suspicious-scores.component.html
+++ b/nise-frontend/src/app/view-suspicious-scores/view-suspicious-scores.component.html
@@ -98,7 +98,7 @@
     <tbody style="font-size: 14px;">
     <tr *ngFor="let score of this.getCurrentPage()">
       <td>
-        <a [routerLink]="['/u/' + score.username]">
+        <a [routerLink]="['/u/' + score.user_id]">
           {{ score.username }}
         </a>
       </td>