diff --git a/packages/SystemUI/Android.bp b/packages/SystemUI/Android.bp
index 91a8ab5..4c52b132 100644
--- a/packages/SystemUI/Android.bp
+++ b/packages/SystemUI/Android.bp
@@ -75,6 +75,7 @@
         "--extra-packages",
         "com.android.keyguard",
     ],
+    kotlincflags: ["-Xjvm-default=enable"],
 
     plugins: ["dagger2-compiler-2.19"],
 }
@@ -128,6 +129,7 @@
         "telephony-common",
         "android.test.base",
     ],
+    kotlincflags: ["-Xjvm-default=enable"],
     aaptflags: [
         "--extra-packages",
         "com.android.keyguard:com.android.systemui",
@@ -155,6 +157,8 @@
         "telephony-common",
     ],
 
+    kotlincflags: ["-Xjvm-default=enable"],
+
     dxflags: ["--multi-dex"],
     aaptflags: [
         "--extra-packages",
@@ -191,6 +195,8 @@
         "telephony-common",
     ],
 
+    kotlincflags: ["-Xjvm-default=enable"],
+
     srcs: [
         "legacy/recents/src/**/*.java",
         "legacy/recents/src/**/I*.aidl",