diff --git a/data/mapa.lua b/data/mapa.lua
index 6908bc1..a5acb9d 100644
--- a/data/mapa.lua
+++ b/data/mapa.lua
@@ -83,6 +83,6 @@ mapa={
     end,
 
     check_collision=function(x,y)
-        return mget(x,y) > 16
+        return mget(x,y) > 16 or mget(x+1,y) > 16
     end
 }
\ No newline at end of file