diff --git a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.jsx b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.jsx
index 25c9aad25e..86b773c324 100644
--- a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.jsx
+++ b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.jsx
@@ -134,11 +134,11 @@ export const ClusterItemsGridRow = ({ data, onEditItem, onUnlinkSingleTicket, on
             <ClusterColumn cluster={data} />
           </div>
           {extensions.map((extension) => (
-            <div className={cx('table-cell')} key={extension.name}>
+            <div className={cx('table-cell', 'extension-col')} key={extension.name}>
               <ExtensionLoader extension={extension} data={data} />
             </div>
           ))}
-          <div className={cx('table-cell')}>
+          <div className={cx('table-cell', 'matched-tests')}>
             <span className={cx('matched-tests-col-text')}>{matchedTests}</span>
           </div>
         </div>
diff --git a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.scss b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.scss
index 0e3f23cb16..2393135995 100644
--- a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.scss
+++ b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/clusterItemsGridRow/clusterItemsGridRow.scss
@@ -30,6 +30,14 @@
   &-full-width {
     width: 100%;
   }
+
+  &.matched-tests {
+    width: 130px;
+  }
+
+  &.extension-col {
+      width: 165px;
+  }
 }
 
 .matched-tests-col-text {
@@ -37,11 +45,10 @@
   font-family: $FONT-REGULAR;
   font-size: 12px;
   text-align: right;
-  right: 24px;
+  padding-right: 24px;
   display: block;
   width: 130px;
-  top: 12px;
-  position: absolute;
+  padding-top: 12px;
 }
 
 .expand-col {
diff --git a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.jsx b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.jsx
index dd06d54081..ca1b2b8c60 100644
--- a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.jsx
+++ b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.jsx
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import React from 'react';
+import React, { useMemo } from 'react';
 import PropTypes from 'prop-types';
 import classNames from 'classnames/bind';
 import { Grid } from 'components/main/grid';
@@ -62,17 +62,25 @@ export const UniqueErrorsGridWrapped = ({ parentLaunch, data, loading, ...rest }
     },
   ];
 
-  if (extensions.length) {
-    extensions.forEach((extension) => {
-      columns.push({
+  const memoizedExtensionsColumns = useMemo(() => {
+    if (!extensions.length) return [];
+
+    return extensions.map((extension) => {
+      const MemoizedComponent = (params) => (
+        <div className={cx('extension-col')}>
+          <ExtensionLoader extension={extension} {...params} />
+        </div>
+      );
+
+      return {
         title: {
-          component: (params) => <ExtensionLoader extension={extension} {...params} />,
+          component: MemoizedComponent,
         },
-      });
+      };
     });
-  }
+  }, [extensions]);
 
-  columns.push({
+  columns.push(...memoizedExtensionsColumns, {
     id: MATCHED_TESTS_COLUMN_ID,
     title: {
       full: 'MATCHED TESTS',
diff --git a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.scss b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.scss
index 2192f81607..3a41f6aa38 100644
--- a/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.scss
+++ b/app/src/pages/inside/uniqueErrorsPage/uniqueErrorsGrid/uniqueErrorsGrid.scss
@@ -25,3 +25,7 @@
 .matched-header{
   width: 130px;
 }
+
+.extension-col {
+  width: 165px;
+}