diff --git a/lib/private/AppFramework/Http/Request.php b/lib/private/AppFramework/Http/Request.php
index c6ef5169dd..b39ae3e8c0 100644
--- a/lib/private/AppFramework/Http/Request.php
+++ b/lib/private/AppFramework/Http/Request.php
@@ -578,7 +578,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 		}
 
 		if(empty($this->requestId)) {
-			$validChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+			$validChars = ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_DIGITS;
 			$this->requestId = $this->secureRandom->generate(20, $validChars);
 		}
 
diff --git a/lib/private/Log/File.php b/lib/private/Log/File.php
index 9ef071bee5..97ec5012b1 100644
--- a/lib/private/Log/File.php
+++ b/lib/private/Log/File.php
@@ -115,7 +115,7 @@ class File {
 			'url',
 			'message',
 			'userAgent',
-			'version',
+			'version'
 		);
 		$entry = json_encode($entry);
 		$handle = @fopen(self::$logFile, 'a');