diff --git a/runtime/syntax/typescript.yaml b/runtime/syntax/typescript.yaml
index 9ce50ebd..7f898ab3 100644
--- a/runtime/syntax/typescript.yaml
+++ b/runtime/syntax/typescript.yaml
@@ -1,7 +1,7 @@
 filetype: typescript
 
 detect:
-    filename: "\\.ts$"
+    filename: "\\.tsx?$"
 
 rules:
     - constant.number: "\\b[-+]?([1-9][0-9]*|0[0-7]*|0x[0-9a-fA-F]+)([uU][lL]?|[lL][uU]?)?\\b"