diff --git a/typo3/sysext/backend/Classes/Form/FormDataProvider/EvaluateDisplayConditions.php b/typo3/sysext/backend/Classes/Form/FormDataProvider/EvaluateDisplayConditions.php
index af0c25da7f942877f4fae042fadac3b0e1b48059..4eabbcd1e02b412a35a68daf9bfc930fbb8e2ab6 100644
--- a/typo3/sysext/backend/Classes/Form/FormDataProvider/EvaluateDisplayConditions.php
+++ b/typo3/sysext/backend/Classes/Form/FormDataProvider/EvaluateDisplayConditions.php
@@ -115,8 +115,8 @@ class EvaluateDisplayConditions implements FormDataProviderInterface {
 			foreach ($result['processedTca']['columns'][$columnName]['config']['ds']['sheets'] as $sheetName => $sheetConfiguration) {
 				$flexFormSheetRowData = $flexFormRowData[$sheetName]['lDEF'];
 				$flexFormSheetRowData['parentRec'] = $result['databaseRow'];
-				$result['processedTca']['columns'][$columnName]['config']['ds']['sheets'] = $this->removeFlexformFieldsRecursive(
-					$result['processedTca']['columns'][$columnName]['config']['ds']['sheets'],
+				$result['processedTca']['columns'][$columnName]['config']['ds']['sheets'][$sheetName] = $this->removeFlexformFieldsRecursive(
+					$result['processedTca']['columns'][$columnName]['config']['ds']['sheets'][$sheetName],
 					$flexFormSheetRowData
 				);
 			}
diff --git a/typo3/sysext/backend/Tests/Unit/Form/FormDataProvider/EvaluateDisplayConditionsTest.php b/typo3/sysext/backend/Tests/Unit/Form/FormDataProvider/EvaluateDisplayConditionsTest.php
index d9fe493c13ac7f66c604e101302f907a0b0df1bf..9d5a717be92c97aaf37db0efe74fe5a31266cd88 100644
--- a/typo3/sysext/backend/Tests/Unit/Form/FormDataProvider/EvaluateDisplayConditionsTest.php
+++ b/typo3/sysext/backend/Tests/Unit/Form/FormDataProvider/EvaluateDisplayConditionsTest.php
@@ -222,10 +222,32 @@ class EvaluateDisplayConditionsTest extends UnitTestCase {
 														'items' => [],
 													],
 												],
+												'mmUseCurl' => [
+													'displayCond' => 'FIELD:mmType:=:audio',
+													'config' => [
+														'type' => 'check',
+														'default' => '0',
+														'items' => [],
+													],
+												],
 											],
 											'sheetTitle' => 'aTitle',
 										],
 									],
+									'secondSheet' => [
+										'ROOT' => [
+											'type' => 'array',
+											'el' => [
+												'foo' => [
+													'config' => [
+														'type' => 'select',
+														'items' => [],
+													],
+												],
+											],
+											'sheetTitle' => 'bTitle',
+										],
+									],
 								],
 							],
 						],