X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fdownloader%2Fexternal.py;h=e47e3bf4c7df58f4e8a74c8c42263799c2b3208e;hb=9fffd0469f1353c5f5e96b91a87e34d02ae7491a;hp=012057ecb5fcc70c7221e63a24500b6c85046ca3;hpb=469a64cebf534b702e50ad9585e63ae3f8ed5d16;p=youtube-dl

diff --git a/youtube_dl/downloader/external.py b/youtube_dl/downloader/external.py
index 012057ecb..e47e3bf4c 100644
--- a/youtube_dl/downloader/external.py
+++ b/youtube_dl/downloader/external.py
@@ -48,7 +48,7 @@ class ExternalFD(FileDownloader):
     def _source_address(self, command_option):
         command_part = []
         source_address = self.ydl.params.get('source_address')
-        if source_address:
+        if source_address is None:
             command_part = [command_option, source_address]
         return command_part