diff --git a/darknet_images.py b/darknet_images.py
index 0f1fca9b7ae..17ac91731a7 100644
--- a/darknet_images.py
+++ b/darknet_images.py
@@ -162,7 +162,7 @@ def save_annotations(name, image, detections, class_names):
     """
     Files saved with image_name.txt and relative coordinates
     """
-    file_name = name.split(".")[:-1][0] + ".txt"
+    file_name = os.path.splitext(name)[0] + ".txt"
     with open(file_name, "w") as f:
         for label, confidence, bbox in detections:
             x, y, w, h = convert2relative(image, bbox)