diff --git a/library/train_util.py b/library/train_util.py
index bad954c2..fcd9880d 100644
--- a/library/train_util.py
+++ b/library/train_util.py
@@ -715,7 +715,7 @@ def debug_dataset(train_dataset):
 def glob_images(dir, base):
   img_paths = []
   for ext in IMAGE_EXTENSIONS:
-    img_paths.extend(glob.glob(os.path.join(dir, base + ext)))
+    img_paths.extend(glob.glob(glob.escape(os.path.join(dir, base + ext))))
   return img_paths
 
 # endregion