diff --git a/system/src/Grav/Common/Config/Setup.php b/system/src/Grav/Common/Config/Setup.php
index 88fde50d8..6ff7372d0 100644
--- a/system/src/Grav/Common/Config/Setup.php
+++ b/system/src/Grav/Common/Config/Setup.php
@@ -404,7 +404,7 @@ class Setup extends Data
             $securityFile = basename(static::$securityFile);
             $securityFolder = substr(static::$securityFile, 0, -\strlen($securityFile));
             $securityFolder = $locator->findResource($securityFolder, true) ?: $locator->findResource($securityFolder, true, true);
-            $filename = " {$securityFolder}/{$securityFile}";
+            $filename = "{$securityFolder}/{$securityFile}";
 
             $security_file = CompiledYamlFile::instance($filename);
             $security_content = (array)$security_file->content();