diff --git a/modules/core/23-commitment/types/merkle_test.go b/modules/core/23-commitment/types/merkle_test.go
index 74ea939abb9..17181358743 100644
--- a/modules/core/23-commitment/types/merkle_test.go
+++ b/modules/core/23-commitment/types/merkle_test.go
@@ -151,4 +151,12 @@ func TestApplyPrefix(t *testing.T) {
 	prefixedPath, err := types.ApplyPrefix(prefix, path)
 	require.NoError(t, err, "valid prefix returns error")
 	require.Len(t, prefixedPath.GetKeyPath(), 2, "unexpected key path length")
+
+	key0, err := prefixedPath.GetKey(0)
+	require.NoError(t, err, "get key 0 returns error")
+	require.Equal(t, prefix.KeyPrefix, key0, "key 0 does not match expected value")
+
+	key1, err := prefixedPath.GetKey(1)
+	require.NoError(t, err, "get key 1 returns error")
+	require.Equal(t, []byte(pathStr), key1, "key 1 does not match expected value")
 }