diff --git a/configs/kacst-ls1u.cfg b/configs/kacst-ls1u.cfg
index a01937753b94cf877c2e67f7dd2b6b7957519a85..25867de096fda5b0236e2d1dbcffd2cd389b12c2 100644
--- a/configs/kacst-ls1u.cfg
+++ b/configs/kacst-ls1u.cfg
@@ -39,4 +39,4 @@ LayerPairs= poly:nwell, poly:pwell, metal1:nwell, metal1:pwell, metal2:metal1
 
 [MOSFET]
 Dimensions = 3:2, 4:2, 5:2, 5:3, 5:4, 5:5, 10:3, 10:4, 10:5, 10:10, 20:10, 20:20, 40:10, 40:20
-FingerDimensions = 5x5:5, 5x5:10
+FingerDimensions = 5x2:20