From dd6812afa4b429cc83d20df764037c4fbcee113a Mon Sep 17 00:00:00 2001
From: TenPlus1 <kinsellaja@yahoo.com>
Date: Sun, 19 Nov 2017 10:41:05 +0000
Subject: [PATCH] fixed bug thanks to orbea

---
 init.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init.lua b/init.lua
index 9e8b175..dc75fd7 100644
--- a/init.lua
+++ b/init.lua
@@ -245,7 +245,7 @@ local function check_soil(pos, nodename, strength)
 			end
 		else
 			-- place random grass (common)
-			nod = grass[math.random(1, #grass)] or ""
+			nod = #grass > 0 and grass[math.random(1, #grass)] or ""
 			if nod ~= "" then
 				minetest.set_node(pos2, {name = nod})
 			end