diff --git a/audio/aidl/default/bassboost/BassBoostSw.cpp b/audio/aidl/default/bassboost/BassBoostSw.cpp
index 61976c8..8e4779d 100644
--- a/audio/aidl/default/bassboost/BassBoostSw.cpp
+++ b/audio/aidl/default/bassboost/BassBoostSw.cpp
@@ -66,7 +66,7 @@
 const Descriptor BassBoostSw::kDescriptor = {
         .common = {.id = {.type = kBassBoostTypeUUID,
                           .uuid = kBassBoostSwImplUUID,
-                          .proxy = std::nullopt},
+                          .proxy = kBassBoostProxyUUID},
                    .flags = {.type = Flags::Type::INSERT,
                              .insert = Flags::Insert::FIRST,
                              .volume = Flags::Volume::CTRL},