diff --git a/SystemKonkursow/4.2.1/angular/src/app/competition-detail/competition-detail.component.html b/SystemKonkursow/4.2.1/angular/src/app/competition-detail/competition-detail.component.html
index 0ad50e1..cffd288 100644
--- a/SystemKonkursow/4.2.1/angular/src/app/competition-detail/competition-detail.component.html
+++ b/SystemKonkursow/4.2.1/angular/src/app/competition-detail/competition-detail.component.html
@@ -30,7 +30,7 @@
                 </div>
             </div>
         </div>
-        <button type="button" style="margin-top: 20px" [disabled]="mode==='quiz' || !canSolveCompetition" class="btn btn-success" (click)="solveCompetition()">
+        <button *ngIf="mode!=='quiz' && canSolveCompetition" type="button" style="margin-top: 20px" [disabled]="mode==='quiz' || !canSolveCompetition" class="btn btn-success" (click)="solveCompetition()">
             {{l("Start")}}
         </button>
         <hr />