diff --git a/src/mu-msg-fields.c b/src/mu-msg-fields.c
index d3d1f9e8..ffc3e105 100644
--- a/src/mu-msg-fields.c
+++ b/src/mu-msg-fields.c
@@ -202,7 +202,7 @@ static const MuMsgField FIELD_DATA[] = {
 		MU_MSG_FIELD_TYPE_STRING,
 		"subject", 's', 'S',
 		FLAG_GMIME | FLAG_XAPIAN_INDEX | FLAG_XAPIAN_VALUE |
-		FLAG_XAPIAN_TERM | FLAG_NORMALIZE
+		FLAG_XAPIAN_TERM | FLAG_NORMALIZE | FLAG_XAPIAN_ESCAPE
 	},
 
 	{