diff --git a/libultraship b/libultraship
index d1bbd53e8..1972d91f0 160000
--- a/libultraship
+++ b/libultraship
@@ -1 +1 @@
-Subproject commit d1bbd53e8a1d2a4d6cfcce588ed13aa8d0686909
+Subproject commit 1972d91f0bf7338aa896d63d40210ef465a17ef6
diff --git a/soh/soh/SohGui/MenuTypes.h b/soh/soh/SohGui/MenuTypes.h
index 911b688d7..6dd9aca2c 100644
--- a/soh/soh/SohGui/MenuTypes.h
+++ b/soh/soh/SohGui/MenuTypes.h
@@ -263,6 +263,7 @@ struct MainMenuEntry {
 static const std::unordered_map<Ship::AudioBackend, const char*> audioBackendsMap = {
     { Ship::AudioBackend::WASAPI, "Windows Audio Session API" },
     { Ship::AudioBackend::SDL, "SDL" },
+    { Ship::AudioBackend::NUL, "Null" },
 };
 
 static const std::unordered_map<Ship::WindowBackend, const char*> windowBackendsMap = {