diff --git a/src/main.lua b/src/main.lua
index 5707fb5..6fe3453 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -116,7 +116,11 @@ local function newdesign()
                     renderblock(currentbuf-1)
                     --term.blit("C", colors.toBlit(colors.black), colors.toBlit(colors.red))
                 elseif currentbuf == 0 or currentbuf == nil then -- nothing
-                    term.blit("\127", colors.toBlit(colors.gray), colors.toBlit(colors.black))
+                    if buf[posasstring(x-camx, currentfloor-1, z-camy)] == 2 then
+                        term.blit("\127", colors.toBlit(colors.red), colors.toBlit(colors.black))
+                    else
+                        term.blit("\127", colors.toBlit(colors.gray), colors.toBlit(colors.black))
+                    end
                 end
             end
         end