diff --git a/wildfly_tml/modules/module_poi_317.xml b/wildfly_tml/modules/module_poi_317.xml
index 9424f96..1e8b749 100644
--- a/wildfly_tml/modules/module_poi_317.xml
+++ b/wildfly_tml/modules/module_poi_317.xml
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <module xmlns="urn:jboss:module:1.3" name="org.apache.poi" slot="3.17">
   <resources>
     <resource-root path="poi-3.17.jar"/>