diff --git a/tests/config/test_data.config b/tests/config/test_data.config
index 7f305cda..579695a8 100644
--- a/tests/config/test_data.config
+++ b/tests/config/test_data.config
@@ -111,8 +111,8 @@ params {
                 test_sequencing_summary                        = "${test_data_dir}/genomics/sarscov2/nanopore/sequencing_summary/test.sequencing_summary.txt"
             }
             'metagenome' {
-                classified_reads_alignment                     = "${test_data_dir}/genomics/sarscov2/metagenome/test_1.kraken2.reads.txt
-                report                                         = '${test_data_dir}/genomics/sarscov2/metagenome/test_1.kraken2.report.txt
+                classified_reads_alignment                     = "${test_data_dir}/genomics/sarscov2/metagenome/test_1.kraken2.reads.txt"
+                report                                         = "${test_data_dir}/genomics/sarscov2/metagenome/test_1.kraken2.report.txt"
             }
         }
         'homo_sapiens' {