diff --git a/modules/nf-core/star/indexversion/meta.yml b/modules/nf-core/star/indexversion/meta.yml
index 0e85534de5f..c35587c068f 100644
--- a/modules/nf-core/star/indexversion/meta.yml
+++ b/modules/nf-core/star/indexversion/meta.yml
@@ -19,16 +19,16 @@ tools:
 
 output:
   - index_version:
-    - "*.txt":
-        type: file
-        description: File with the minimal index version
-        pattern: "*.txt"
+      - "*.txt":
+          type: file
+          description: File with the minimal index version
+          pattern: "*.txt"
 
   - versions:
-    - "versions.yml":
-        type: file
-        description: File containing software versions
-        pattern: "versions.yml"
+      - "versions.yml":
+          type: file
+          description: File containing software versions
+          pattern: "versions.yml"
 
 authors:
   - "@nvnieuwk"