diff --git a/save-xml.c b/save-xml.c
index 9f2c2b46a..17f463a93 100644
--- a/save-xml.c
+++ b/save-xml.c
@@ -333,6 +333,8 @@ static void save_picture(struct membuffer *b, struct picture *pic)
 	put_string(b, "  <picture filename='");
 	put_string(b, pic->filename);
 	put_string(b, "'");
+	if (pic->timestamp)
+		put_format(b, " timestamp='%ld'", pic->timestamp);
 	if (pic->latitude.udeg || pic->longitude.udeg) {
 		put_degrees(b, pic->latitude, " gps='", " ");
 		put_degrees(b, pic->longitude, "", "'");