diff --git a/crushing-industry-productivity-research/prototypes/content/updates.lua b/crushing-industry-productivity-research/prototypes/content/updates.lua
index 2056689..58b610a 100644
--- a/crushing-industry-productivity-research/prototypes/content/updates.lua
+++ b/crushing-industry-productivity-research/prototypes/content/updates.lua
@@ -2,6 +2,7 @@ local mod_util = require("mod-util")
 
 mod_util.convert("crushed-iron-ore")
 mod_util.convert("crushed-copper-ore")
+mod_util.add_prod("sand")
 
 if mods["space-age"] then
     mod_util.convert("holmium-powder")