diff --git a/Android.bp b/Android.bp
index 1567a65..42cd999 100644
--- a/Android.bp
+++ b/Android.bp
@@ -8153,6 +8153,7 @@
 filegroup {
   name: "perfetto_src_traced_probes_probes_src",
   srcs: [
+    "src/traced/probes/kmem_activity_trigger.cc",
     "src/traced/probes/probes_producer.cc",
   ],
 }