diff --git a/web/app/configs/widget/etherpad/etherpad.widget.component.html b/web/app/configs/widget/etherpad/etherpad.widget.component.html
index 304d10f..38437ab 100644
--- a/web/app/configs/widget/etherpad/etherpad.widget.component.html
+++ b/web/app/configs/widget/etherpad/etherpad.widget.component.html
@@ -3,6 +3,7 @@
         <label class="label-block">
             {{'Pad Name' | translate}}
             <input type="text" class="form-control"
+                   maxlength="39"
                    placeholder="{{ defaultName }}"
                    [(ngModel)]="widget.dimension.newName" name="widget-name-{{widget.id}}"
                    [disabled]="isUpdating"/>
diff --git a/web/app/configs/widget/etherpad/etherpad.widget.component.ts b/web/app/configs/widget/etherpad/etherpad.widget.component.ts
index b90766f..991ad69 100644
--- a/web/app/configs/widget/etherpad/etherpad.widget.component.ts
+++ b/web/app/configs/widget/etherpad/etherpad.widget.component.ts
@@ -40,7 +40,7 @@ export class EtherpadWidgetConfigComponent extends WidgetComponent {
             template = this.etherpadWidget.options.defaultUrl;
         }
 
-        template = template.replace("$roomId", encodeURIComponent(SessionStorage.roomId));
+        template = template.replace("$roomId", encodeURIComponent(SessionStorage.roomId).slice(0, 10));
         template = template.replace("$padName", encodeURIComponent(name));
 
         widget.dimension.newUrl = template;