diff --git a/modules/nf-core/vcf2zarr/convert/tests/main.nf.test b/modules/nf-core/vcf2zarr/convert/tests/main.nf.test
index a50eafa93cd0..f80c35532ecb 100644
--- a/modules/nf-core/vcf2zarr/convert/tests/main.nf.test
+++ b/modules/nf-core/vcf2zarr/convert/tests/main.nf.test
@@ -19,6 +19,7 @@ nextflow_process {
                 input[0] = [
                     [ id:'test' ], // meta map
                     file(params.modules_testdata_base_path + 'genomics/sarscov2/illumina/vcf/test.vcf.gz', checkIfExists: true),
+                    file(params.modules_testdata_base_path + 'genomics/sarscov2/illumina/vcf/test.vcf.gz.tbi', checkIfExists: true),
                 ]
                 """
             }
@@ -44,6 +45,7 @@ nextflow_process {
                 input[0] = [
                     [ id:'test' ], // meta map
                     file(params.modules_testdata_base_path + 'genomics/sarscov2/illumina/vcf/test.vcf.gz', checkIfExists: true),
+                    file(params.modules_testdata_base_path + 'genomics/sarscov2/illumina/vcf/test.vcf.gz.tbi', checkIfExists: true),
                 ]
                 """
             }