diff --git a/extensions/groovy/package.json b/extensions/groovy/package.json
index f3a0cc17ec8..049b65e1653 100644
--- a/extensions/groovy/package.json
+++ b/extensions/groovy/package.json
@@ -14,6 +14,7 @@
 			"id": "groovy",
 			"aliases": ["Groovy", "groovy"],
       "extensions": [".groovy", ".gvy", ".gradle", ".jenkinsfile", ".nf"],
+      "filenames": [ "Jenkinsfile" ],
       "filenamePatterns": ["Jenkinsfile.*"],
 			"firstLine": "^#!.*\\bgroovy\\b",
 			"configuration": "./language-configuration.json"