diff --git a/3rdparty/mmu_man/themes/ThemeManager.cpp b/3rdparty/mmu_man/themes/ThemeManager.cpp
index c4ad8c09fa..c8291d8ad8 100644
--- a/3rdparty/mmu_man/themes/ThemeManager.cpp
+++ b/3rdparty/mmu_man/themes/ThemeManager.cpp
@@ -194,6 +194,7 @@ status_t ThemeManager::LoadAddons()
 	ADDA(ta);
 #endif
 	ta = instantiate_themes_addon_sounds();
+	ADDA(ta);
 	ta = instantiate_themes_addon_terminal();
 	ADDA(ta);
 #if defined(__HAIKU__) || defined(B_BEOS_VERSION_DANO)