diff --git a/.hgignore b/.hgignore
index 59b3e922..7908382f 100644
--- a/.hgignore
+++ b/.hgignore
@@ -18,3 +18,6 @@ ws
 build-android/pEpEngine-android-1.zip
 build-android/third-party
 build-android/pEpEngine-android-1
+
+syntax: regexp
+.*xcuserdata/