diff --git a/backend/src/repositories/BlocksRepository.ts b/backend/src/repositories/BlocksRepository.ts
index fb9b48eba..40c705bdb 100644
--- a/backend/src/repositories/BlocksRepository.ts
+++ b/backend/src/repositories/BlocksRepository.ts
@@ -235,7 +235,7 @@ class BlocksRepository {
   /**
    * Get blocks mined by a specific mining pool
    */
-  public async $getBlocksByPool(poolId: number, startHeight: number | null = null): Promise<object[]> {
+  public async $getBlocksByPool(poolId: number, startHeight: number | undefined = undefined): Promise<object[]> {
     const params: any[] = [];
     let query = ` SELECT *, UNIX_TIMESTAMP(blocks.blockTimestamp) as blockTimestamp,
       previous_block_hash as previousblockhash
@@ -243,7 +243,7 @@ class BlocksRepository {
       WHERE pool_id = ?`;
     params.push(poolId);
 
-    if (startHeight) {
+    if (startHeight !== undefined) {
       query += ` AND height < ?`;
       params.push(startHeight);
     }
diff --git a/backend/src/routes.ts b/backend/src/routes.ts
index 7f3a98296..870c62ab8 100644
--- a/backend/src/routes.ts
+++ b/backend/src/routes.ts
@@ -553,7 +553,7 @@ class Routes {
     try {
       const poolBlocks = await BlocksRepository.$getBlocksByPool(
         parseInt(req.params.poolId, 10),
-        parseInt(req.params.height, 10) ?? null,
+        req.params.height === undefined ? undefined : parseInt(req.params.height, 10),
       );
       res.header('Pragma', 'public');
       res.header('Cache-control', 'public');
diff --git a/frontend/src/app/components/pool/pool.component.html b/frontend/src/app/components/pool/pool.component.html
index f22fb0bcb..bef441a85 100644
--- a/frontend/src/app/components/pool/pool.component.html
+++ b/frontend/src/app/components/pool/pool.component.html
@@ -14,7 +14,7 @@
             <tbody>
               <tr>
                 <td class="label">Tags</td>
-                <td class="text-truncate">
+                <td class="text-truncate" *ngIf="poolStats.pool.regexes.length else nodata">
                   <div class="scrollable">
                     {{ poolStats.pool.regexes }}
                   </div>
@@ -22,15 +22,15 @@
               </tr>
               <tr>
                 <td class="label">Addresses</td>
-                <td class="text-truncate" *ngIf="poolStats.pool.addresses.length else noaddress">
+                <td class="text-truncate" *ngIf="poolStats.pool.addresses.length else nodata">
                   <div class="scrollable">
                     <a *ngFor="let address of poolStats.pool.addresses"
                       [routerLink]="['/address' | relativeUrl, address]">{{
                       address }}<br></a>
                   </div>
                 </td>
-                <ng-template #noaddress>
-                  <td>~</td>
+                <ng-template #nodata>
+                  <td class="right-mobile">~</td>
                 </ng-template>
               </tr>
             </tbody>
@@ -168,7 +168,7 @@
                     <div class="skeleton-loader"></div>
                   </div>
                 </td>
-                <ng-template #noaddress>
+                <ng-template #nodata>
                   <td>~</td>
                 </ng-template>
               </tr>
diff --git a/frontend/src/app/components/pool/pool.component.scss b/frontend/src/app/components/pool/pool.component.scss
index 3ecc2f227..2e8a4f154 100644
--- a/frontend/src/app/components/pool/pool.component.scss
+++ b/frontend/src/app/components/pool/pool.component.scss
@@ -131,3 +131,9 @@ div.scrollable {
 	width: auto;
   text-align: left;
 }
+
+.right-mobile {
+  @media (max-width: 450px) {
+    text-align: right;
+  }
+}
\ No newline at end of file