diff --git a/rules.lua b/rules.lua
index cd06f9f..4fba9db 100644
--- a/rules.lua
+++ b/rules.lua
@@ -58,9 +58,9 @@ local function _check_position_uncached(pos)
 
     if reg_item.pattern_def then
         if reg_item.pattern_def.name == "edgy" then
-            return "WE" .. node.param2
+            return "WE" .. ((node.param2+2)%4)
         elseif reg_item.pattern_def.name == "corny" then
-            return "WC" .. node.param2
+            return "WC" .. ((node.param2+2)%4)
         elseif reg_item.pattern_def.name == "crossy" then
             return "WB"
         elseif reg_item.pattern_def.name == "starcrossy" then
diff --git a/textures/nc_concrete_pattern_corny.png b/textures/nc_concrete_pattern_corny.png
index 684164a..aa890a4 100644
Binary files a/textures/nc_concrete_pattern_corny.png and b/textures/nc_concrete_pattern_corny.png differ
diff --git a/textures/nc_concrete_pattern_edgy.png b/textures/nc_concrete_pattern_edgy.png
index 0bce4f5..e487464 100644
Binary files a/textures/nc_concrete_pattern_edgy.png and b/textures/nc_concrete_pattern_edgy.png differ