diff --git a/debian/rules b/debian/rules
index 10245dc..4034618 100755
--- a/debian/rules
+++ b/debian/rules
@@ -16,3 +16,9 @@
 	dh_clean
 	rm -rf doc/html/
 	rm -f doc/Makefile
+
+licensecheck:
+	licensecheck --deb-machine -r * \
+		> debian/copyright_newhints
+	cmp debian/copyright_hints debian/copyright_newhints \
+		&& rm debian/copyright_newhints