diff --git a/include/Make/HtmlRules.make b/include/Make/HtmlRules.make
index ed9f65501bd..0c79a05a2ad 100644
--- a/include/Make/HtmlRules.make
+++ b/include/Make/HtmlRules.make
@@ -1,7 +1,7 @@
# common html rules (included by Html.make and GuiScript.make)
-htmldesc = $(call run_grass,$(1) --html-description < /dev/null | grep -v '