diff --git a/Android.mk b/Android.mk
index b9c52e2..104dfef 100644
--- a/Android.mk
+++ b/Android.mk
@@ -2,7 +2,7 @@
 
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES:= $(LOCAL_PATH)/include
-LOCAL_SRC_FILES:= compress.c
+LOCAL_SRC_FILES:= compress.c utils.c
 LOCAL_MODULE := libtinycompress
 LOCAL_SHARED_LIBRARIES:= libcutils libutils
 LOCAL_MODULE_TAGS := optional