diff --git a/setup.cfg b/setup.cfg
index d0521f3d8..8b8929fe7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -50,6 +50,9 @@ tests_require =
   pytest
 zip_safe = False
 
+[options.packages.find]
+where = src
+
 [options.entry_points]
 console_scripts =
     borg = borg.archiver:main