diff --git a/contrib/pc-sanity/debian/rules b/contrib/pc-sanity/debian/rules
index 231902c070..8803df40b5 100755
--- a/contrib/pc-sanity/debian/rules
+++ b/contrib/pc-sanity/debian/rules
@@ -24,7 +24,7 @@ override_dh_auto_test:
 override_dh_auto_install:
 	cd $(SRCTOP)/c && $(MAKE) install PREFIX=$(SRCTOP)
 	python3 $(SRCTOP)/manage.py install --prefix=/usr --layout=unix \
-			--root=$(SRCTOP)/debian/plainbox-provider-pc-sanity/
+			--root=$(CURDIR)/debian/plainbox-provider-pc-sanity/
 
 override_dh_gencontrol:
 	python3 $(SRCTOP)/manage.py packaging;\