diff --git a/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.html b/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.html
index 146e67605..7050174d6 100644
--- a/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.html
+++ b/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.html
@@ -21,7 +21,7 @@
       </tr>
       <tr>
         <th>Total fees:</th>
-        <td>{{ (block.fees - 12.5) | number: '1.2-2' }} BTC <span *ngIf="conversions">(<span class="green-color">{{ conversions.USD * (block.fees - 12.5) | currency:'USD':'symbol':'1.0-0' }}</span>)</span></td>
+        <td>{{ (block.fees - blockSubsidy) | number: '1.2-2' }} BTC <span *ngIf="conversions">(<span class="green-color">{{ conversions.USD * (block.fees - blockSubsidy) | currency:'USD':'symbol':'1.0-0' }}</span>)</span></td>
         <th>Block reward + fees:</th>
         <td>{{ block.fees | number: '1.2-2' }} BTC <span *ngIf="conversions">(<span class="green-color">{{ conversions.USD * block.fees | currency:'USD':'symbol':'1.0-0' }}</span>)</span></td>
       </tr>
diff --git a/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.ts b/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.ts
index 48c7c9a1e..196c0eee4 100644
--- a/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.ts
+++ b/frontend/src/app/blockchain-blocks/block-modal/block-modal.component.ts
@@ -10,6 +10,7 @@ import { MemPoolService } from '../../services/mem-pool.service';
 })
 export class BlockModalComponent implements OnInit {
   @Input() block: IBlock;
+  blockSubsidy = 50;
 
   conversions: any;
 
@@ -23,5 +24,11 @@ export class BlockModalComponent implements OnInit {
       .subscribe((conversions) => {
         this.conversions = conversions;
       });
+
+    let halvenings = Math.floor(this.block.height / 210000);
+    while (halvenings > 0) {
+      this.blockSubsidy = this.blockSubsidy / 2;
+      halvenings--;
+    }
   }
 }