diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 91daa35..371b5bc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,7 +31,7 @@ jobs:
           if [[ -z "$changed_files_tags" ]]; then
             echo "matrix=[]" >> $GITHUB_OUTPUT
           else
-            matrix_json=$(echo "$changed_files_tags" | jq -c -M -R  'split(" ") | map({tag: .})')
+            matrix_json=$(echo "$changed_files_tags" | jq -c -M -R  'split(" ") | map(.)')
             echo $matrix_json
             echo "matrix=$matrix_json" >> $GITHUB_OUTPUT
           fi
@@ -42,7 +42,8 @@ jobs:
     needs: changed
     strategy:
       fail-fast: false
-      matrix: ${{fromJson(needs.changed.outputs.matrix)}}
+      matrix:
+        tag: ${{fromJson(needs.changed.outputs.matrix)}}
     services:
       docker:
         image: docker:19.03.12
diff --git a/tasks/quast/quast.wdl b/tasks/quast/quast.wdl
index 74c758b..a93c6f1 100644
--- a/tasks/quast/quast.wdl
+++ b/tasks/quast/quast.wdl
@@ -3,10 +3,10 @@ version 1.0
 task Quast {
     input {
         Array[File] contigs
-        Int threads = 4
+        File? reference
         String output_dir = "./quast_output"
+        Int threads = 4
         String extra_args = ""
-        File? reference
         String container = "quay.io/biocontainers/quast:5.2.0--py39pl5321h4e691d4_3"
         Boolean stub = false
     }