diff --git a/src/unit_test_read_utils.cpp b/src/unit_test_read_utils.cpp
index da9d830afc0095f1e182353bcaa0a2ef7ed836c9..5b00b7aff765724596fd7574f2c802bc5c3fd93e 100644
--- a/src/unit_test_read_utils.cpp
+++ b/src/unit_test_read_utils.cpp
@@ -46,7 +46,8 @@ void test_getReadSingle() {
     char * tmp=(char *) a_seqs.fq_record_buf;
     tmp+=a_seqs.start_idx;
     memcpy(dna_read,tmp,a_seqs.length);
-    // std::cout<<dna_read<<endl;
+    dna_read[a_seqs.length]='\0';
+    std::cout<<dna_read<<endl;
     assert(strcmp(dna_read,"TTTTTAGGTGCTACCATAACACCAACTGTTTTCACCATAATTTTAAAATCAAGCATTAGAGACGCTTCTCTAATGTATTGCAAATCTAGTTCTACCATTTGATGAAAATCTAATTCATTTCTTCCACTAACCTGCCATAATCCAGTACAACCTGGTATAACGGTCAAACGCTTTTTATCATAGGAACTGTATTCTCCTACCTCACGTGGCAAAGGAGGTCTTGGACCAACAATTGCCATGTCTCCTTTAACCACATTCCAAAGCTGTGGTA")==0);