diff --git a/Makefile.am b/Makefile.am
index 712b6401f1..2596810b91 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -221,7 +221,7 @@ lcov-reset:
 
 lcov-report:
 	@mkdir $(top_builddir)/coverage
-	lcov --capture --compat-libtool --output-file $(top_builddir)/coverage/coverage.info --directory $(top_builddir)
+	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 $(top_builddir)/coverage/coverage.cleaned.info
 	genhtml -t "$(PACKAGE_STRING)" -o $(top_builddir)/coverage/html $(top_builddir)/coverage/coverage.cleaned.info
 	@echo "Coverage Report at $(top_builddir)/coverage/html"