diff --git a/apps/openmw/mwrender/esm4npcanimation.cpp b/apps/openmw/mwrender/esm4npcanimation.cpp
index 1f06e68bc2..3ea8f829ce 100644
--- a/apps/openmw/mwrender/esm4npcanimation.cpp
+++ b/apps/openmw/mwrender/esm4npcanimation.cpp
@@ -124,6 +124,8 @@ namespace MWRender
         auto findArmorAddons = [&](const ESM4::Armor* armor) {
             for (ESM::FormId armaId : armor->mAddOns)
             {
+                if (armaId.isZeroOrUnset())
+                    continue;
                 const ESM4::ArmorAddon* arma = store->get<ESM4::ArmorAddon>().search(armaId);
                 if (!arma)
                 {