diff --git a/litex/build/gowin/common.py b/litex/build/gowin/common.py
index c947c155ac..fd554e946a 100644
--- a/litex/build/gowin/common.py
+++ b/litex/build/gowin/common.py
@@ -122,5 +122,5 @@ def lower(dr):
     DDROutput:              GowinDDROutput,
     DifferentialInput:      GowinDifferentialInput,
     DifferentialOutput:     GowinDifferentialOutput,
-    Tristate:               GowinTristate,
+    #Tristate:               GowinTristate, # FIXME: issue with tangNano9k hyperram
 }