diff --git a/includes/page_submit.php b/includes/page_submit.php
index 590d471..cc973b0 100644
--- a/includes/page_submit.php
+++ b/includes/page_submit.php
@@ -104,7 +104,7 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
                       $errorMessage = "An unexpected error occurred while uploading the cover image.";
                     }
                     if (!$fileError) {
-                      $uploadedCoverImagePathname = $modPendingUploadDirectory . '/' . str_replace(['/', '\\'], '', $modDataToEdit['slug']) . '.' . $fileExtension;
+                      $uploadedCoverImagePathname = $modPendingUploadDirectory . '/' . str_replace(['/', '\\'], '', $slug) . '.' . $fileExtension;
                       if (!move_uploaded_file($fileTmpPath, $uploadedCoverImagePathname)) {
                         $fileError = true;
                         $errorMessage = "An unexpected error occurred while uploading the cover image.";
@@ -255,4 +255,4 @@ if ($modSubmitted) {
     sendEmail($moderators, 'A mod has been submitted that requires approval', "A mod has been submitted that requires approval:\n\nMod name: " . str_replace(["\r\n", "\r", "\n"], '', $_POST['name']) . "\nSlug: " . $slug . "\n\nPlease review the mod and approve or reject it.");
   }
 }
-?>
\ No newline at end of file
+?>