diff --git a/debian/rules b/debian/rules
index 71a56028..4257c5a7 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,7 +9,7 @@ override_dh_auto_configure:
 	dh_auto_configure -- --emacslispdir=/usr/share/emacs/site-lisp/notmuch
 
 override_dh_auto_build:
-	dh_auto_build
+	dh_auto_build -- V=1
 	dh_auto_build --sourcedirectory bindings/python
 	cd bindings/python && $(python3_all) setup.py build
 	cd bindings/ruby && ruby extconf.rb --vendor && make