diff --git a/scripts/project_proguard.py b/scripts/project_proguard.py
index 9cc439a..cfeef13 100644
--- a/scripts/project_proguard.py
+++ b/scripts/project_proguard.py
@@ -181,7 +181,8 @@ class ProjectProguard(Task):
 
         target_pag_file = os.path.join(self.context.temp_project_path, pag_file)
         FileUtils.move(target_pag_file,
-                       target_pag_file.replace("pag_wallpaper_slide", generate_encryption_key("pag_wallpaper_slide")))
+                       target_pag_file.replace("pag_wallpaper_slide",
+                                               self.context.proguard_dict.get("pag_wallpaper_slide")))
         pass