diff --git a/017_science/recipe.lua b/017_science/recipe.lua
index 09da586..e5dc7de 100644
--- a/017_science/recipe.lua
+++ b/017_science/recipe.lua
@@ -35,6 +35,7 @@ data:extend(
 		},
 		icon = "__017_science__/graphics/icons/chemical.png",
 		icon_size = 64,
+		result_count = 2, --(+)
 		result = "science-pack-3"
 	},
 	{