diff --git a/addon/components/hyper-table-v2/column.ts b/addon/components/hyper-table-v2/column.ts
index 6e8350ab..660ffe1d 100644
--- a/addon/components/hyper-table-v2/column.ts
+++ b/addon/components/hyper-table-v2/column.ts
@@ -94,7 +94,7 @@ export default class HyperTableV2Column extends Component<HyperTableV2ColumnArgs
 
     const availableHeight = tableBottom - colHeaderTop - 100;
 
-    dropdown.style.height = `${availableHeight}px`;
+    dropdown.style.maxHeight = `${availableHeight}px`;
     dropdown.style.overflowY = 'auto';
 
     if (!this.resizeHandler) {
diff --git a/addon/components/hyper-table-v2/manage-columns.ts b/addon/components/hyper-table-v2/manage-columns.ts
index 77cd57d0..9e21de54 100644
--- a/addon/components/hyper-table-v2/manage-columns.ts
+++ b/addon/components/hyper-table-v2/manage-columns.ts
@@ -1,8 +1,7 @@
 import { A } from '@ember/array';
 import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
-import { set } from '@ember/object';
-import { action } from '@ember/object';
+import { set, action } from '@ember/object';
 import { isEmpty } from '@ember/utils';
 import TableHandler from '@upfluence/hypertable/core/handler';
 import { ColumnDefinition } from '@upfluence/hypertable/core/interfaces';
diff --git a/addon/core/handler.ts b/addon/core/handler.ts
index af188600..887d75c5 100644
--- a/addon/core/handler.ts
+++ b/addon/core/handler.ts
@@ -64,7 +64,8 @@ export default class TableHandler {
       return this._renderingResolver;
     }
 
-    return (this._renderingResolver = new BaseRenderingResolver(this._context));
+    this._renderingResolver = new BaseRenderingResolver(this._context)
+    return this._renderingResolver;
   }
 
   async fetchColumns(): Promise<void> {
diff --git a/addon/helpers/custom-format-number.js b/addon/helpers/custom-format-number.js
index 052f0691..5771f3b7 100644
--- a/addon/helpers/custom-format-number.js
+++ b/addon/helpers/custom-format-number.js
@@ -1,6 +1,6 @@
 import { helper } from '@ember/component/helper';
 
-var formats = [
+const formats = [
   {
     value: 1e3,
     sym: 'k'
@@ -16,13 +16,13 @@ var formats = [
 ];
 
 export function customFormatNumber(params) {
-  var number = params[0];
+  const number = params[0];
 
   if (number === null || number === undefined || isNaN(number)) {
     return '-';
   }
 
-  var format = formats
+  const format = formats
     .filter((format) => {
       return format.value < number;
     })
diff --git a/app/styles/columns.less b/app/styles/columns.less
index 69644350..cced5f46 100644
--- a/app/styles/columns.less
+++ b/app/styles/columns.less
@@ -40,6 +40,10 @@
     position: sticky;
     right: 0;
     z-index: 20;
+
+    header {
+      cursor: pointer;
+    }
   }
 
   // Animate Columns Drag & Drop
@@ -81,7 +85,7 @@
 
   transition: all 0.25s ease-in-out;
 
-  & > .cell-header {
+  &>.cell-header {
     color: var(--color-gray-600);
     font-size: 16 / @rem;
     font-weight: var(--font-weight-semibold);
@@ -153,12 +157,6 @@
   }
 }
 
-.hypertable__column--sticky-right {
-  header {
-    cursor: pointer;
-  }
-}
-
 .hypertable__column--selection {
   width: 40px;
   min-width: 40px;
@@ -235,6 +233,7 @@
 }
 
 .hypertable__column--text .hypertable__cell {
+
   .editing-input,
   .text-value {
     display: -webkit-box;
@@ -245,7 +244,7 @@
 }
 
 .hypertable__column--list .hypertable__cell {
-  & > div:first-child {
+  &>div:first-child {
     width: 100%;
   }
 
@@ -259,7 +258,7 @@
   display: flex;
   align-items: center;
 
-  & > div:nth-child(2) {
+  &>div:nth-child(2) {
     margin-left: var(--spacing-px-12);
 
     span {
@@ -329,15 +328,17 @@
     10% {
       opacity: 1;
     }
+
     99% {
       opacity: 1;
       max-height: 500px;
       overflow: hidden;
     }
+
     100% {
       opacity: 1;
       max-height: 500px;
       overflow: auto;
     }
   }
-}
+}
\ No newline at end of file
diff --git a/app/styles/header.less b/app/styles/header.less
index c2022628..7bb17095 100644
--- a/app/styles/header.less
+++ b/app/styles/header.less
@@ -30,20 +30,18 @@
   .left-side {
     display: flex;
     flex-grow: 1;
-  }
 
-  /*
-   * Search
-   * ======
-   *
-   */
-  .left-side {
     input {
       max-width: 250px;
       min-width: 100px;
     }
   }
 
+  /*
+   * Search
+   * ======
+   *
+   */
   .left-side .selected-count {
     background-color: var(--color-gray-400);
     border-radius: var(--border-radius-sm);
@@ -185,6 +183,7 @@
       from {
         transform: scale(0);
       }
+
       to {
         transform: scale(1);
       }
@@ -194,6 +193,7 @@
       0% {
         transform: scale(1);
       }
+
       100% {
         transform: scale(0);
       }
@@ -284,4 +284,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file
diff --git a/sonar-project.properties b/sonar-project.properties
index eee0ac78..313a85ca 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -4,7 +4,7 @@ sonar.organization=upfluence
 sonar.sources=addon/,app/
 sonar.javascript.lcov.reportPaths=./coverage/lcov.info
 sonar.typescript.tsconfigPaths=./tsconfig.json
-sonar.coverage.exclusions=app/
-sonar.cpd.exclusions=tests/,**/tests/**,*-test.js,*-test.ts,test-support/
+sonar.coverage.exclusions=app/**,addon/components/hyper-table/**,addon/mixins/**,addon/types/**,addon/utils/**
+sonar.cpd.exclusions=app/**,tests/**,**/tests/**,*-test.js,*-test.ts,test-support/
 sonar.tests=tests/
 sonar.html.file.suffixes=.hbs
diff --git a/tests/integration/components/hyper-table/cell-renderers/image-test.js b/tests/integration/components/hyper-table/cell-renderers/image-test.js
index 703029f5..0e5ef1dc 100644
--- a/tests/integration/components/hyper-table/cell-renderers/image-test.js
+++ b/tests/integration/components/hyper-table/cell-renderers/image-test.js
@@ -7,17 +7,19 @@ module('Integration | Component | hyper-table/cell-renderers/image', function (h
   setupRenderingTest(hooks);
 
   test('it renders', async function (assert) {
-    this.item = { imageURL: 'foo.png', name: 'FooBar' };
+    this.item = { imageURL: '/@upfluence/hypertable/assets/images/empty-state.png', name: 'FooBar' };
     this.column = { key: 'imageURL', labels: ['name'] };
 
     await render(hbs`<HyperTable::CellRenderers::Image @item={{this.item}} @column={{this.column}} />`);
 
-    assert.dom('.upf-avatar.upf-avatar--sm img').hasAttribute('src', 'foo.png');
+    assert
+      .dom('.upf-avatar.upf-avatar--sm img')
+      .hasAttribute('src', '/@upfluence/hypertable/assets/images/empty-state.png');
   });
 
   module('it has labels to show', function () {
     test('it should display the labels next to the image', async function (assert) {
-      this.item = { imageURL: 'foo.png', name: 'FooBar' };
+      this.item = { imageURL: '/@upfluence/hypertable/assets/images/empty-state.png', name: 'FooBar' };
       this.column = { key: 'imageURL', labels: ['name'] };
 
       await render(hbs`<HyperTable::CellRenderers::Image @item={{this.item}} @column={{this.column}} />`);
@@ -30,7 +32,11 @@ module('Integration | Component | hyper-table/cell-renderers/image', function (h
 
   module('there is a notification on the item', function () {
     test('it should display the notification dot next to the labels', async function (assert) {
-      this.item = { imageURL: 'foo.png', name: 'FooBar', hasNotifications: true };
+      this.item = {
+        imageURL: '/@upfluence/hypertable/assets/images/empty-state.png',
+        name: 'FooBar',
+        hasNotifications: true
+      };
       this.column = { key: 'imageURL', labels: ['name'] };
 
       await render(hbs`<HyperTable::CellRenderers::Image @item={{this.item}} @column={{this.column}} />`);