diff --git a/audio/aidl/default/spatializer/Android.bp b/audio/aidl/default/spatializer/Android.bp
index 400629e..2c229fe 100644
--- a/audio/aidl/default/spatializer/Android.bp
+++ b/audio/aidl/default/spatializer/Android.bp
@@ -35,6 +35,6 @@
     ],
     relative_install_path: "soundfx",
     visibility: [
-        "//hardware/interfaces/audio/aidl/default",
+        "//hardware/interfaces/audio/aidl/default:__subpackages__",
     ],
 }
diff --git a/audio/aidl/default/spatializer/SpatializerSw.cpp b/audio/aidl/default/spatializer/SpatializerSw.cpp
index 6d3c4bd..ef86ddb 100644
--- a/audio/aidl/default/spatializer/SpatializerSw.cpp
+++ b/audio/aidl/default/spatializer/SpatializerSw.cpp
@@ -108,6 +108,8 @@
 
 ndk::ScopedAStatus SpatializerSw::getParameterSpecific(const Parameter::Id& id,
                                                        Parameter::Specific* specific) {
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
     auto tag = id.getTag();
     RETURN_IF(Parameter::Id::spatializerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
     auto spatializerId = id.get<Parameter::Id::spatializerTag>();