From c2d8bda83c8bdc214565351329a4643eb6ba998a Mon Sep 17 00:00:00 2001
From: jonaswinkler <jonas.winkler@jpwinkler.de>
Date: Mon, 8 Feb 2021 19:59:14 +0100
Subject: [PATCH] fix for #511

---
 src/documents/file_handling.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/documents/file_handling.py b/src/documents/file_handling.py
index 6ee97f5c3..64858de78 100644
--- a/src/documents/file_handling.py
+++ b/src/documents/file_handling.py
@@ -161,5 +161,8 @@ def generate_filename(doc, counter=0, append_gpg=True):
 
 
 def archive_name_from_filename(filename):
-
-    return os.path.splitext(filename)[0] + ".pdf"
+    name, ext = os.path.splitext(filename)
+    if ext == ".pdf":
+        return filename
+    else:
+        return filename + ".pdf"