diff --git a/Classes/DataProcessing/RemoveProcessor.php b/Classes/DataProcessing/RemoveProcessor.php
index b5ab788..6e74237 100644
--- a/Classes/DataProcessing/RemoveProcessor.php
+++ b/Classes/DataProcessing/RemoveProcessor.php
@@ -34,7 +34,7 @@ class RemoveProcessor implements ProcessorInterface
         }
 
         foreach (GeneralUtility::trimExplode(',', $configuration['fields'], true) as $field) {
-            if (isset($record[$field])) {
+            if (array_key_exists($field, $record)) {
                 unset($record[$field]);
             }
         }
diff --git a/Tests/Unit/DataProcessing/RemoveProcessorTest.php b/Tests/Unit/DataProcessing/RemoveProcessorTest.php
index 57600f0..dc55f73 100644
--- a/Tests/Unit/DataProcessing/RemoveProcessorTest.php
+++ b/Tests/Unit/DataProcessing/RemoveProcessorTest.php
@@ -117,6 +117,17 @@ class RemoveProcessorTest extends AbstractUnitTestCase
                     'field 1' => 'Some content like lorem',
                 ],
             ],
+            'Fields with "null" san be removed' => [
+                'record' => [
+                    'field 1' => null,
+                ],
+                'configuration' => [
+                    'fields' => 'field 1',
+                    '_typoScriptNodeValue' => 'Codappix\SearchCore\DataProcessing\RemoveProcessor',
+                ],
+                'expectedRecord' => [
+                ],
+            ],
         ];
     }
 }