diff --git a/sky130/klayout/sky130.lydrc b/sky130/klayout/sky130.lydrc
index 0b688dd..e248141 100644
--- a/sky130/klayout/sky130.lydrc
+++ b/sky130/klayout/sky130.lydrc
@@ -45,7 +45,7 @@
 # enable / disable rule groups
 FEOL    = false # front-end-of-line checks
 BEOL    = true # back-end-of-line checks
-OFFGRID = false # manufacturing grid/angle checks
+OFFGRID = true # manufacturing grid/angle checks
 
 # klayout setup
 ########################