diff --git a/src/PhpSpreadsheet/Worksheet/Worksheet.php b/src/PhpSpreadsheet/Worksheet/Worksheet.php
index 0baf6ecd..cb2cd06d 100644
--- a/src/PhpSpreadsheet/Worksheet/Worksheet.php
+++ b/src/PhpSpreadsheet/Worksheet/Worksheet.php
@@ -1336,12 +1336,12 @@ class Worksheet implements IComparable
      */
     public function createNewCell($coordinate)
     {
+        [$column, $row] = Coordinate::coordinateFromString($coordinate);
         $cell = new Cell(null, DataType::TYPE_NULL, $this);
         $this->cellCollection->add($coordinate, $cell);
         $this->cellCollectionIsSorted = false;
 
         // Coordinates
-        [$column, $row] = Coordinate::coordinateFromString($coordinate);
         $aIndexes = Coordinate::indexesFromString($coordinate);
         if ($this->cachedHighestColumn < $aIndexes[0]) {
             $this->cachedHighestColumn = $aIndexes[0];
diff --git a/tests/PhpSpreadsheetTests/Worksheet/WorksheetNamedRangesTest.php b/tests/PhpSpreadsheetTests/Worksheet/WorksheetNamedRangesTest.php
index 4eddb26e..b367583b 100644
--- a/tests/PhpSpreadsheetTests/Worksheet/WorksheetNamedRangesTest.php
+++ b/tests/PhpSpreadsheetTests/Worksheet/WorksheetNamedRangesTest.php
@@ -72,7 +72,7 @@ class WorksheetNamedRangesTest extends TestCase
         $namedCell = 'GOODBYE';
 
         $this->expectException(Exception::class);
-//        $this->expectExceptionMessage("Invalid cell coordinate {$namedCell}");
+        $this->expectExceptionMessage("Invalid cell coordinate {$namedCell}");
 
         $worksheet = $this->spreadsheet->getActiveSheet();
         $worksheet->getCell($namedCell);
@@ -84,7 +84,7 @@ class WorksheetNamedRangesTest extends TestCase
         $ucNamedCell = strtoupper($namedCell);
 
         $this->expectException(Exception::class);
-//        $this->expectExceptionMessage("Invalid cell coordinate {$ucNamedCell}");
+        $this->expectExceptionMessage("Invalid cell coordinate {$ucNamedCell}");
 
         $worksheet = $this->spreadsheet->getActiveSheet();
         $worksheet->getCell($namedCell);