diff --git a/src/main.lua b/src/main.lua
index 7c0637e..aff3601 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -385,7 +385,7 @@ local function render(buf, pbuf, cx,cy,cz, tx,tz, sx,sz, shouldsetlist,invertsli
     }
 
     local tsx,tsy = term.getSize()
-    local camx,camy = cx-tsx/2,cz-tsy/2
+    local camx,camy = cx-(tsx/2),cz-(tsy/2)
 
     reset()
     for x=1,sx,1 do