diff --git a/.gitattributes b/.gitattributes
index 050bb120..7a2dabc2 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,4 @@
 *.config linguist-language=nextflow
+*.nf.test linguist-language=nextflow
 modules/nf-core/** linguist-generated
 subworkflows/nf-core/** linguist-generated