diff --git a/libs/bufferstreams/Android.bp b/libs/bufferstreams/Android.bp
index 365fc45..6c2a980 100644
--- a/libs/bufferstreams/Android.bp
+++ b/libs/bufferstreams/Android.bp
@@ -19,6 +19,7 @@
 aconfig_declarations {
     name: "bufferstreams_flags",
     package: "com.android.graphics.bufferstreams.flags",
+    container: "system",
     srcs: [
         "aconfig/bufferstreams_flags.aconfig",
     ],