diff --git a/litex/build/io.py b/litex/build/io.py
index 08d58627a5..0fbd2040d6 100644
--- a/litex/build/io.py
+++ b/litex/build/io.py
@@ -195,7 +195,7 @@ def __init__(self, io, o1, o2, oe1, oe2=None, i1=Signal(), i2=Signal(), clk=Cloc
         self.o1  = o1
         self.o2  = o2
         self.oe1 = oe1
-        self.oe2 = oe2
+        self.oe2 = oe2 if not (oe2 == oe1) else None
         self.i1  = i1
         self.i2  = i2
         self.clk = clk