diff --git a/debian/changelog b/debian/changelog
index 3ec9f4d..bfbf966 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,7 @@ python-pygit2 (0.22.0-1) unstable; urgency=medium
   * Ran wrap-and-sort.
   * Removed version in Build-Depends on python{3,}-all-dev.
   * Overrides dh_auto_clean to allow easier gbp builds.
+  * Added PYTHON_PATH=. when running unit tests (Closes: #786509).
 
  -- Thomas Goirand <zigo@debian.org>  Tue, 26 May 2015 10:39:26 +0200
 
diff --git a/debian/rules b/debian/rules
index 50c6c60..f3c5d3b 100755
--- a/debian/rules
+++ b/debian/rules
@@ -27,7 +27,7 @@ override_dh_install:
 override_dh_auto_test:
 ifeq (,$(findstring nocheck, $(DEB_BUILD_OPTIONS)))
 	set -e ; for pyvers in $(PYTHONS) $(PYTHON3S); do \
-		python$$pyvers setup.py test ; \
+		PYTHON_PATH=. python$$pyvers setup.py test ; \
 	done
 endif