diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFSheet.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFSheet.java
index 5b4013b8aa..0dc1878a97 100644
--- a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFSheet.java
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFSheet.java
@@ -395,10 +395,7 @@ public class XSSFSheet extends POIXMLDocumentPart implements Sheet {
 
                 if(cell.isPartOfArrayFormulaGroup()){
                     CellRangeAddress arrayRange = cell.getArrayFormulaRange();
-                    if (arrayRange.getNumberOfCells() > 1 &&
-                            // region.intersects(arrayRange) is more concise and probably correct. Is it equivalent?
-                            ( arrayRange.isInRange(region.getFirstRow(), region.getFirstColumn()) ||
-                              arrayRange.isInRange(region.getFirstRow(), region.getFirstColumn()))  ){
+                    if (arrayRange.getNumberOfCells() > 1 && region.intersects(arrayRange)) {
                         String msg = "The range " + region.formatAsString() + " intersects with a multi-cell array formula. " +
                                 "You cannot merge cells of an array.";
                         throw new IllegalStateException(msg);