diff --git a/src/Entity/Paragraph.php b/src/Entity/Paragraph.php
index 8281ddc..0b430bb 100644
--- a/src/Entity/Paragraph.php
+++ b/src/Entity/Paragraph.php
@@ -483,7 +483,7 @@ class Paragraph extends ContentEntityBase implements ParagraphInterface, EntityN
     if ($nested == TRUE) {
       return [
         'count' => $count,
-        'summary' => strip_tags($collapsed_summary_text)
+        'summary' => strip_tags($collapsed_summary_text),
       ];
     }
     return strip_tags($collapsed_summary_text);
@@ -541,7 +541,8 @@ class Paragraph extends ContentEntityBase implements ParagraphInterface, EntityN
     $count = 0;
     $summary = [];
     foreach ($this->{$field_name}->getValue() as $value) {
-      if ($paragraph_entity = $value['entity']) {
+      if (isset($value['entity'])) {
+        $paragraph_entity = $value['entity'];
         if ($paragraph_entity instanceof ParagraphInterface) {
           $info = $paragraph_entity->getSummary(TRUE);
           $count += $info['count'];
@@ -552,7 +553,7 @@ class Paragraph extends ContentEntityBase implements ParagraphInterface, EntityN
 
     if ($count == 1) {
       return t('1 Child: @summary', [
-        '@summary' => $summary[0]
+        '@summary' => $summary[0],
       ]);
     }
     else {