diff --git a/seminar/views.py b/seminar/views.py
index f1aa43d9..d2477ca1 100644
--- a/seminar/views.py
+++ b/seminar/views.py
@@ -565,7 +565,8 @@ def texUploadView(request):
 
     def uloz_soubory(files, rocnik, cislo):
         for filename, f in files:
-            path = "{}/{}/{}/{}".format(
+            path = os.path.join(
+                settings.MEDIA_ROOT,
                 settings.CISLO_IMG_DIR,
                 rocnik,
                 cislo,