diff --git a/quickstep/Android.bp b/quickstep/Android.bp
index 7292c44..f5a8253 100644
--- a/quickstep/Android.bp
+++ b/quickstep/Android.bp
@@ -38,6 +38,7 @@
     name: "launcher3-quickstep-oop-tests-src",
     path: "tests",
     srcs: [
+        "tests/src/com/android/quickstep/TaskbarModeSwitchRule.java",
         "tests/src/com/android/quickstep/NavigationModeSwitchRule.java",
         "tests/src/com/android/quickstep/AbstractQuickStepTest.java",
         "tests/src/com/android/quickstep/TaplTestsQuickstep.java",