diff --git a/src/PhpWord/TemplateProcessor.php b/src/PhpWord/TemplateProcessor.php
index 7efc0f1ac8..18ec6ec42b 100644
--- a/src/PhpWord/TemplateProcessor.php
+++ b/src/PhpWord/TemplateProcessor.php
@@ -274,6 +274,11 @@ public function setComplexValue($search, \PhpOffice\PhpWord\Element\AbstractElem
         $elementWriter->write();
 
         $where = $this->findContainingXmlBlockForMacro($search, 'w:r');
+
+        if ($where === false) {
+            return;
+        }
+
         $block = $this->getSlice($where['start'], $where['end']);
         $textParts = $this->splitTextIntoTexts($block);
         $this->replaceXmlBlock($search, $textParts, 'w:r');