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-rw-r--r--src/main/scala/firrtl/Serialize.scala4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/scala/firrtl/Serialize.scala b/src/main/scala/firrtl/Serialize.scala
index ad0efa66..5a5b690d 100644
--- a/src/main/scala/firrtl/Serialize.scala
+++ b/src/main/scala/firrtl/Serialize.scala
@@ -193,8 +193,8 @@ class Serialize {
def serialize(d: Direction): String = {
d match {
- case INPUT => "input"
- case OUTPUT => "output"
+ case Input => "input"
+ case Output => "output"
}
}