diff --git a/src/lib.rs b/src/lib.rs
index 3a37264..15161c6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -365,7 +365,7 @@ fn test_3var() {
 	]);
 	let prime = find_core(&fun, &mut [A, B, C], Zero, &groups).0;
 	assert_eq!(prime, vec![
-		vec![(A, Zero), (B, Zero)],
-		vec![(A, One), (C, Zero)],
+		&[(A, Zero), (B, Zero)],
+		&[(A, One), (C, Zero)],
 	]);
 }