diff --git a/src/fr/devinsy/xidyn/utils/XidynUtils.java b/src/fr/devinsy/xidyn/utils/XidynUtils.java
index 570e55e..1b4404d 100644
--- a/src/fr/devinsy/xidyn/utils/XidynUtils.java
+++ b/src/fr/devinsy/xidyn/utils/XidynUtils.java
@@ -63,7 +63,7 @@ public class XidynUtils
 			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
 
 			// Set various configuration options.
-			dbf.setValidating(false);
+			dbf.setValidating(true);
 			dbf.setIgnoringComments(true);
 			dbf.setIgnoringElementContentWhitespace(false);
 			dbf.setCoalescing(false);