diff --git a/web-ui/src/app/components/block-details/block-details.component.html b/web-ui/src/app/components/block-details/block-details.component.html
index f207864..350c612 100644
--- a/web-ui/src/app/components/block-details/block-details.component.html
+++ b/web-ui/src/app/components/block-details/block-details.component.html
@@ -94,7 +94,7 @@
       </div>
 
       <!-- rewards -->
-      <div class="col-xs-12 col-md-offset-1 col-md-4">
+      <div class="col-xs-12 col-md-offset-1 col-md-4" *ngIf="blockDetails.rewards != null">
         <div class="table-responsive">
           <!-- PoW -->
           <div *ngIf="isPoW(blockDetails)">