diff --git a/youtube_dl/blowfish.py b/youtube_dl/blowfish.py
index 24c0125f0..0ef97681a 100644
--- a/youtube_dl/blowfish.py
+++ b/youtube_dl/blowfish.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from compat import compat_struct_unpack, compat_struct_pack
+from .compat import compat_struct_unpack, compat_struct_pack
 
 # Blowfish implementation, translated from original C code by Bruce Schneier.