diff --git a/src/Android.bp b/src/Android.bp
index 8f709bc..0d6f584 100644
--- a/src/Android.bp
+++ b/src/Android.bp
@@ -196,6 +196,7 @@
         "Reactor/Reactor.cpp",
         "Reactor/LLVMReactor.cpp",
         "Reactor/Debug.cpp",
+        "Reactor/CPUID.cpp",
     ],
 
     cflags: [