diff --git a/export-html.cpp b/export-html.cpp
index c117eda79..da570f4b0 100644
--- a/export-html.cpp
+++ b/export-html.cpp
@@ -60,6 +60,7 @@ int main(int argc, char **argv)
 	hes.selectedOnly = false;
 	hes.listOnly = false;
 	hes.yearlyStatistics = true;
+	hes.subsurfaceNumbers = true;
 	exportHtmlInitLogic(output, hes);
 	exit(0);
 }