diff --git a/libraries/src/Console/UpdateCoreCommand.php b/libraries/src/Console/UpdateCoreCommand.php
index 985f697aa6076..542158be28768 100644
--- a/libraries/src/Console/UpdateCoreCommand.php
+++ b/libraries/src/Console/UpdateCoreCommand.php
@@ -227,7 +227,7 @@ private function updateJoomlaCore($updatemodel): bool
                 // Remove the administrator/cache/autoload_psr4.php file
                 $autoloadFile = JPATH_CACHE . '/autoload_psr4.php';
 
-                if (File::exists($autoloadFile)) {
+                if (file_exists($autoloadFile)) {
                     File::delete($autoloadFile);
                 }
 
diff --git a/libraries/src/Installer/InstallerHelper.php b/libraries/src/Installer/InstallerHelper.php
index f32adc93204ab..84af3cf811515 100644
--- a/libraries/src/Installer/InstallerHelper.php
+++ b/libraries/src/Installer/InstallerHelper.php
@@ -118,8 +118,11 @@ public static function downloadPackage($url, $target = false)
             $target = $tmpPath . '/' . basename($target);
         }
 
+        // Fix Indirect Modification of Overloaded Property
+        $body = $response->body;
+
         // Write buffer to file
-        File::write($target, $response->body);
+        File::write($target, $body);
 
         // Restore error tracking to what it was before
         ini_set('track_errors', $track_errors);