diff --git a/args_manager.py b/args_manager.py
index 5a2b37c9..27fe14a5 100644
--- a/args_manager.py
+++ b/args_manager.py
@@ -32,7 +32,10 @@ args_parser.parser.add_argument("--enable-describe-uov-image", action='store_tru
                                 help="Disables automatic description of uov images when prompt is empty", default=False)
 
 args_parser.parser.add_argument("--always-download-new-model", action='store_true',
-                                help="Always download newer models ", default=False)
+                                help="Always download newer models", default=False)
+
+args_parser.parser.add_argument("--rebuild-hash-cache", action='store_true',
+                                help="Generates missing model and LoRA hashes.", default=False)
 
 args_parser.parser.set_defaults(
     disable_cuda_malloc=True,
diff --git a/modules/config.py b/modules/config.py
index 1fd4412b..2f958ff6 100644
--- a/modules/config.py
+++ b/modules/config.py
@@ -757,5 +757,17 @@ def downloading_safety_checker_model():
 
 update_files()
 load_cache_from_file()
-# write cache to file again for cleanup of invalid cache entries
+
+if args_manager.args.rebuild_hash_cache:
+    from modules.hash_cache import sha256_from_cache
+    from modules.util import get_file_from_folder_list
+
+    for filename in model_filenames:
+        filepath = get_file_from_folder_list(filename, paths_checkpoints)
+        sha256_from_cache(filepath)
+    for filename in lora_filenames:
+        filepath = get_file_from_folder_list(filename, paths_loras)
+        sha256_from_cache(filepath)
+
+# write cache to file again for sorting and cleanup of invalid cache entries
 save_cache_to_file()