diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index 5413601..bca7494 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -20,7 +20,7 @@
 aconfig_declarations {
     name: "com_android_launcher3_flags",
     package: "com.android.launcher3",
-    container: "system",
+    container: "system_ext",
     srcs: ["**/*.aconfig"],
 }
 
diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index c3fb150..06809d7 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -1,5 +1,5 @@
 package: "com.android.launcher3"
-container: "system"
+container: "system_ext"
 
 flag {
     name: "enable_expanding_pause_work_button"
diff --git a/aconfig/launcher_overview.aconfig b/aconfig/launcher_overview.aconfig
index e0a597c..ba51c69 100644
--- a/aconfig/launcher_overview.aconfig
+++ b/aconfig/launcher_overview.aconfig
@@ -1,5 +1,5 @@
 package: "com.android.launcher3"
-container: "system"
+container: "system_ext"
 
 flag {
     name: "enable_grid_only_overview"
diff --git a/aconfig/launcher_search.aconfig b/aconfig/launcher_search.aconfig
index 72f654e..b98eee6 100644
--- a/aconfig/launcher_search.aconfig
+++ b/aconfig/launcher_search.aconfig
@@ -1,5 +1,5 @@
 package: "com.android.launcher3"
-container: "system"
+container: "system_ext"
 
 flag {
     name: "enable_private_space"