diff --git a/src/ship.c b/src/ship.c
index 51c51f8..2013dfd 100644
--- a/src/ship.c
+++ b/src/ship.c
@@ -446,6 +446,7 @@ static int ship_parse(Ship* tmp, xmlNodePtr parent) {
   MELEMENT(tmp->mass==0,                "mass");
   MELEMENT(tmp->cap_cargo==0,           "cap_cargo");
   MELEMENT(tmp->cap_weapon==0,          "cap_weapon");
+  MELEMENT(tmp->mounts==NULL,           "mounts");
 #undef MELEMENT
 
   return 0;