[Minor] Mime_types: Fix whitelist

diff --git a/src/plugins/lua/mime_types.lua b/src/plugins/lua/mime_types.lua
index f0cc0f2dcde74194703cc8aafed8beb1f38d0943..c741190b34576f27b14a41ccccb64fb6d849506f 100644 (file)
--- a/src/plugins/lua/mime_types.lua
+++ b/src/plugins/lua/mime_types.lua
@@ -847,7 +847,8 @@ local function check_mime_type(task)
     fname = fname:gsub('[^%s%g]', '?')
 
     -- Check file is in filename whitelist
-    if settings.filename_whitelist:get_key(fname) then
+    if settings.filename_whitelist and
+        settings.filename_whitelist:get_key(fname) then
       logger.debugm("mime_types", task, "skip checking of %s - file is in filename whitelist",
         fname)
       return