diff --git a/com.ibm.wala.core/dat/dictionary.txt b/com.ibm.wala.core/dat/dictionary.txt
index f422efe19..9ea5e75fd 100644
--- a/com.ibm.wala.core/dat/dictionary.txt
+++ b/com.ibm.wala.core/dat/dictionary.txt
@@ -144,3 +144,4 @@ factoid
 offline
 spec
 factoids
+xml