diff --git a/src/frontend/app/attachments/attachments-page/attachment-page.component.html b/src/frontend/app/attachments/attachments-page/attachment-page.component.html
index 44d4a7b29e5b85c9d960387dd92aed0cee02efdc..00220374a7d3c135c7d56b60d41e6838bb13015f 100644
--- a/src/frontend/app/attachments/attachments-page/attachment-page.component.html
+++ b/src/frontend/app/attachments/attachments-page/attachment-page.component.html
@@ -168,7 +168,7 @@
                         </mat-expansion-panel>
                     </div>
                 </ng-container>
-                <mat-tab-group [selectedIndex]="1" class="pjList" *ngIf="!loading" animationDuration="0">
+                <mat-tab-group [selectedIndex]="1" class="pjList" *ngIf="!loading" animationDuration="0" style="height: 100%">
                         <mat-tab label="Document principal" *ngIf="attachment.res_id_master !== null">
                             <ng-template matTabContent>
                                 <app-document-viewer #appDocumentViewer style="height:100%;width:100%;" [editMode]="false"
@@ -221,4 +221,4 @@
             (click)="deleteSignedVersion()">{{lang.deleteSignedVersion}}</button>
         <button mat-raised-button mat-button [disabled]="loading" [mat-dialog-close]="">{{lang.close}}</button>
     </div>
-</div>
\ No newline at end of file
+</div>