diff --git a/debian/rules b/debian/rules
index bdeff53..42ba3f2 100755
--- a/debian/rules
+++ b/debian/rules
@@ -15,8 +15,15 @@
 	rm -rf doc/html/
 	rm -f doc/Makefile
 
+################ d/copyright helper ##############
+DEB_COPYRIGHT_CHECK_IGNORE_REGEX = \
+        debian/.*|src/.*\.jpg
+# licensecheck v1
+.PHONY: licensecheck
 licensecheck:
-	licensecheck --deb-machine -r * \
+	LANG=C.UTF-8 licensecheck \
+		-i "^($(DEB_COPYRIGHT_CHECK_IGNORE_REGEX))$$" \
+		--check '.*' --recursive --deb-machine --lines 0 * \
 		> debian/copyright_newhints
 	cmp debian/copyright_hints debian/copyright_newhints \
 		&& rm debian/copyright_newhints