diff --git a/filetypes.xml b/filetypes.xml
new file mode 100644
index 0000000..b7cbaa4
--- /dev/null
+++ b/filetypes.xml
@@ -0,0 +1,7 @@
+<application>
+  <component name="FileTypeManager" version="17">
+    <extensionMap>
+      <mapping ext="tex" type="PLAIN_TEXT" />
+    </extensionMap>
+  </component>
+</application>
\ No newline at end of file