diff --git a/core/views/expo.py b/core/views/expo.py
index 4902502..0a63ce3 100644
--- a/core/views/expo.py
+++ b/core/views/expo.py
@@ -382,7 +382,7 @@ def editexpopage(request, path):
 
     # detect if this is a text file for editing
     filepath = Path(settings.EXPOWEB) / path
-    if filepath.suffix == ".txt":
+    if filepath.suffix in [".txt", ".sty", ".tex"]:
         print("Editing TEXT file", filepath)
         return edittxtpage(request, path, filepath)