diff --git a/src/Data/Abstract/Origin.hs b/src/Data/Abstract/Origin.hs
index 9966f3a44..1ef575288 100644
--- a/src/Data/Abstract/Origin.hs
+++ b/src/Data/Abstract/Origin.hs
@@ -8,6 +8,7 @@ import Prologue
 data Origin
   = Unknown
   | Local ModuleName FilePath Range Span
+  deriving (Eq, Ord, Show)
 
 instance Semigroup Origin where
   a       <> Unknown = a