diff --git a/env/tables.lua b/env/tables.lua
index 3b0eed3a..1f710f32 100644
--- a/env/tables.lua
+++ b/env/tables.lua
@@ -39,7 +39,7 @@ pfGridmath = {
   [6] = {{6,1},{3,2},{2,3},{1,6}},
   [7] = {{7,1},{1,7}},
   [8] = {{8,1},{4,2},{2,4},{1,8}},
-  [9] = {{9,1},{3,3},{9,1}},
+  [9] = {{9,1},{3,3},{1,9}},
   [10] = {{10,1},{5,2},{2,5},{1,10}},
   [11] = {{11,1},{1,11}},
   [12] = {{12,1},{6,2},{4,3},{3,4},{2,6},{1,12}}