diff --git a/Proj2.hs b/Proj2.hs
index 31a5ad5..89ea132 100644
--- a/Proj2.hs
+++ b/Proj2.hs
@@ -229,7 +229,7 @@ allChords =
       p2 <- allPitches,
       p3 <- allPitches,
       let chord = [p1, p2, p3],
-      length (nub chord) == 3,
+      length chord == 3,
       p1 < p2,
       p2 < p3
   ]