diff --git a/Makefile b/Makefile
index 4b92b88..bcb90f6 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ create-builddir:
 
 fetch-sources: create-builddir
 	curl -o $(BUILDDIR)/data/$(SOURCE_FILENAME) $(SOURCE)
-	echo "$(CHECKSUM) $(BUILDDIR)/data/$(SOURCE_FILENAME)" | md5sum -c
+	md5sum -c <<< "$(CHECKSUM) $(BUILDDIR)/data/$(SOURCE_FILENAME)"
 
 patch-version: create-builddir
 	sed -e "s|@PKG_VERSION@|$(PKG_VERSION)|" \
@@ -42,7 +42,7 @@ uninstall:
 	rm -rf $(DESTDIR)/srv/deploy/install/$(PKG_NAME)
 
 package:
-	dpkg-buildpackage
+	dpkg-buildpackage -us -uc
 
 package-check:
 	@if [ "$(DEB_CHANGELOG_VERSION)" != "$(PKG_FULL_VERSION)" ]; then \