diff --git a/konfluks/calendars.py b/konfluks/calendars.py
index 0645e45..6f53656 100644
--- a/konfluks/calendars.py
+++ b/konfluks/calendars.py
@@ -138,9 +138,9 @@ def create_event_post(post_dir, event):
     for img in event_metadata["images"]:
 
         # parse img url to safe local image name
-        img_name = img.split("/")[-1]
-        fn, ext = img_name.split(".")
-        img_name = slugify(fn) + "." + ext
+        img_name = os.path.basename(img)
+        fn, ext = os.path.splitext(img_name)
+        img_name =  slugify(fn) + '.' + ext
 
         local_image = os.path.join(post_dir, img_name)