diff --git a/tmLanguage/JavaScript (JSX).tmLanguage b/tmLanguage/JavaScript (JSX).tmLanguage
index 5f60ef1..ba9f9e7 100644
--- a/tmLanguage/JavaScript (JSX).tmLanguage	
+++ b/tmLanguage/JavaScript (JSX).tmLanguage	
@@ -1059,7 +1059,7 @@
     <key>jsx-tag-open</key>
     <dict>
       <key>begin</key>
-      <string>(&lt;)([a-zA-Z0-9:]+)</string>
+      <string>(&lt;)([a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*)</string>
       <key>beginCaptures</key>
       <dict>
         <key>1</key>