diff --git a/src/obikphylo/src/siblings/tests.rs b/src/obikphylo/src/siblings/tests.rs
index b21b21c2..e12cc1ce 100644
--- a/src/obikphylo/src/siblings/tests.rs
+++ b/src/obikphylo/src/siblings/tests.rs
@@ -1108,9 +1108,8 @@ fn diag_real_index_verify_kmer_resolution() {
     
     // The k-mer with A+other (mask 0b0011 = A+C)
     let kmer_str = "AGCTAGCTATTGAGCCTGGTCCGTATGAAAC";
-    let kmer = CanonicalKmer::from_str(kmer_str, k).unwrap();
-    let rc = kmer.revcomp();
-    let rc_str = kmer_to_string(&rc, k);
+    let kmer = canonical(kmer_str.as_bytes());
+    let rc_str = kmer_revcomp_to_string(&kmer, k);
     
     println!("kmer_forward={} kmer_revcomp={}", kmer_str, rc_str);
     println!("kmer partition={}", kmer.partition(n_parts));