diff --git a/modules/nf-core/limma/differential/meta.yml b/modules/nf-core/limma/differential/meta.yml
index 5377787504d..9012a73f542 100644
--- a/modules/nf-core/limma/differential/meta.yml
+++ b/modules/nf-core/limma/differential/meta.yml
@@ -12,7 +12,7 @@ tools:
       documentation: "https://bioconductor.org/packages/release/bioc/vignettes/limma/inst/doc/usersguide.pdf"
       tool_dev_url: https://github.com/cran/limma""
       doi: "10.18129/B9.bioc.limma"
-      licence: "['LGPL >=3']"
+      licence: ["LGPL >=3"]
 input:
   - meta:
       type: map