diff --git a/Makefile.am b/Makefile.am
index 781c5d9487..8a3325035c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -300,7 +300,7 @@ lcov-report:
 	lcov --capture --compat-libtool --output-file $(top_builddir)/coverage/coverage.info --directory $(top_builddir) --base-directory $(top_srcdir)/src/
 	lcov --remove $(top_builddir)/coverage/coverage.info '*.h' --output-file $(top_builddir)/coverage/coverage.cleaned.info
 	lcov --remove $(top_builddir)/coverage/coverage.cleaned.info '*/tests/*' --output-file $(top_builddir)/coverage/coverage.cleaned2.info
-	genhtml -t "$(PACKAGE_STRING)" -o $(top_builddir)/coverage/html $(top_builddir)/coverage/coverage.cleaned2.info
+	genhtml --branch-coverage -t "$(PACKAGE_STRING)" -o $(top_builddir)/coverage/html $(top_builddir)/coverage/coverage.cleaned2.info
 	@echo "Coverage Report at $(top_builddir)/coverage/html"
 
 endif