diff --git a/src/plugins/columnSorting/columnSorting.js b/src/plugins/columnSorting/columnSorting.js
index 0e3894f7d8..97746c7540 100644
--- a/src/plugins/columnSorting/columnSorting.js
+++ b/src/plugins/columnSorting/columnSorting.js
@@ -791,7 +791,7 @@ class ColumnSorting extends BasePlugin {
    */
   onBeforeOnCellMouseDown(event, coords, TD, blockCalculations) {
     // Click below the level of column headers
-    if (coords.row >= 0) {
+    if (coords.row >= 0 || coords.col < 0) {
       return;
     }
 
@@ -809,7 +809,7 @@ class ColumnSorting extends BasePlugin {
    */
   onAfterOnCellMouseDown(event, coords) {
     // Click below the level of column headers
-    if (coords.row >= 0) {
+    if (coords.row >= 0 || coords.col < 0) {
       return;
     }
 
diff --git a/src/plugins/columnSorting/test/columnSorting.e2e.js b/src/plugins/columnSorting/test/columnSorting.e2e.js
index 25a1bc7dc8..0542b58033 100644
--- a/src/plugins/columnSorting/test/columnSorting.e2e.js
+++ b/src/plugins/columnSorting/test/columnSorting.e2e.js
@@ -332,6 +332,23 @@ describe('ColumnSorting', () => {
     ]);
   });
 
+  it('should not throw an exception when clicked on the top-left corner', async() => {
+    const onErrorSpy = spyOn(window, 'onerror');
+
+    handsontable({
+      colHeaders: true,
+      rowHeaders: true,
+      data: arrayOfObjects(),
+      columnSorting: true
+    });
+
+    $('.ht_clone_top_left_corner .htCore span').simulate('mousedown');
+    $('.ht_clone_top_left_corner .htCore span').simulate('click');
+    $('.ht_clone_top_left_corner .htCore span').simulate('mouseup');
+
+    expect(onErrorSpy).not.toHaveBeenCalled();
+  });
+
   it('should not throw error when trying run handsontable with columnSorting and autoRowSize in the same time.', () => {
     let errors = 0;