diff --git a/README.md b/README.md
index ea9de42..38d488a 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,6 @@ detailed features:
 of future upgrades.
 - building permissions: owner of protector with most counts in the area can upgrade other player protector by right click for free.
   This way even poorer players place 1 protector in expensive areas if allowed 
-- bug fixes: now digging protector with no owner no longer decreases protector count
+- bug fixes: now digging protector with no owner no longer decreases protector counts
 
 INSTALLATION: extract into directory called "protector" inside minetest mod directory
\ No newline at end of file
diff --git a/init.lua b/init.lua
index e210071..0536401 100644
--- a/init.lua
+++ b/init.lua
@@ -260,7 +260,7 @@ function protector.count(pos, mode)
 		for _, p in ipairs(positions) do
 			meta = minetest.get_meta(p)
 			
-			count = meta:get_int("count")-1;
+			count = meta:get_int("count")-1;if count<0 then count = 0 end
 			meta:set_int("count", count)
 		end