diff --git a/apps/files/ajax/newfile.php b/apps/files/ajax/newfile.php
index d1183089b4ff31f000a39b8176dacfe4715712e8..eed0047fc8197e5a8362a49826a1e1a1446d6bc6 100644
--- a/apps/files/ajax/newfile.php
+++ b/apps/files/ajax/newfile.php
@@ -53,7 +53,7 @@ $result = array(
 	);
 
 if(trim($filename) === '') {
-	$result['data'] = array('message' => $l10n->t('File name cannot not be empty.'));
+	$result['data'] = array('message' => $l10n->t('File name cannot be empty.'));
 	OCP\JSON::error($result);
 	exit();
 }
diff --git a/apps/files/ajax/newfolder.php b/apps/files/ajax/newfolder.php
index 1fd5359896e97cac48e16fc9eeb352f7d171c4e8..2cbc8cfeba5ee25bfce6d0fb92f6ea809356609f 100644
--- a/apps/files/ajax/newfolder.php
+++ b/apps/files/ajax/newfolder.php
@@ -18,7 +18,7 @@ $result = array(
 	);
 
 if(trim($foldername) === '') {
-	$result['data'] = array('message' => $l10n->t('Folder name cannot not be empty.'));
+	$result['data'] = array('message' => $l10n->t('Folder name cannot be empty.'));
 	OCP\JSON::error($result);
 	exit();
 }