diff --git a/nmigen_boards/machXO3_sk.py b/nmigen_boards/machXO3_sk.py
index 2607b046..a1f8540c 100644
--- a/nmigen_boards/machXO3_sk.py
+++ b/nmigen_boards/machXO3_sk.py
@@ -9,7 +9,7 @@
 __all__ = ["MachXO3SKPlatform"]
 
 
-class MachXO3SKPlatform(LatticeMachXO2Platform):
+class MachXO3SKPlatform(LatticeMachXO3LPlatform):
     device      = "LCMXO3LF-6900C"
     package     = "BG256"
     speed       = "5"