diff --git a/lib/private/Config.php b/lib/private/Config.php
index b044d0731a385..da041e0554787 100644
--- a/lib/private/Config.php
+++ b/lib/private/Config.php
@@ -257,7 +257,7 @@ private function writeData() {
 		// Create a php file ...
 		$content = "<?php\n";
 		$content .= '$CONFIG = ';
-		$content .= var_export($this->cache, true);
+		$content .= preg_replace('/\s+$/m', '', var_export($this->cache, true));
 		$content .= ";\n";
 
 		touch($this->configFilePath);