diff --git a/debian/changelog b/debian/changelog
index 352929e..14bdf58 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+python-csscompressor (0.9.4-2) unstable; urgency=medium
+
+  * Using python$$i -m pytest instead of py.test-$$i when running unit tests.
+
+ -- Thomas Goirand <zigo@debian.org>  Mon, 28 Dec 2015 09:16:56 +0000
+
 python-csscompressor (0.9.4-1) unstable; urgency=medium
 
   * Initial release. (Closes: #808764)
diff --git a/debian/rules b/debian/rules
index 189b256..af1e28f 100755
--- a/debian/rules
+++ b/debian/rules
@@ -26,7 +26,7 @@ ifeq (,$(findstring nocheck, $(DEB_BUILD_OPTIONS)))
 	set -e ; set -x ; for i in 2.7 $(PYTHON3S) ; do \
 		PYMAJOR=`echo $$i | cut -d'.' -f1` ; \
 		echo "===> Testing with python$$i (python$$PYMAJOR)" ; \
-		py.test-$$i csscompressor/tests ; \
+		python$$i -m pytest csscompressor/tests ; \
 	done
 endif