diff --git a/runtime/Android.mk b/runtime/Android.mk
index ca29eba..13a216c 100644
--- a/runtime/Android.mk
+++ b/runtime/Android.mk
@@ -67,6 +67,7 @@
   gc/space/rosalloc_space.cc \
   gc/space/space.cc \
   gc/space/zygote_space.cc \
+  gc/task_processor.cc \
   hprof/hprof.cc \
   image.cc \
   indirect_reference_table.cc \