diff --git a/runtime/syntax/javascript.yaml b/runtime/syntax/javascript.yaml
index 06eda6ed..92d4de58 100644
--- a/runtime/syntax/javascript.yaml
+++ b/runtime/syntax/javascript.yaml
@@ -1,7 +1,8 @@
 filetype: javascript
 
 detect:
-    filename: "\\.js$"
+    filename: "(\\.js$|\\.es[5678]?$)"
+    header: "^#!.*/(env +)?node( |$)"
 
 rules:
     - constant.number: "\\b[-+]?([1-9][0-9]*|0[0-7]*|0x[0-9a-fA-F]+)([uU][lL]?|[lL][uU]?)?\\b"