diff --git a/core/apidiff.mk b/core/apidiff.mk
index 23da624..8887ea4 100644
--- a/core/apidiff.mk
+++ b/core/apidiff.mk
@@ -64,8 +64,8 @@
     _module_name :=
   endif
 else
-  LOCAL_JAVA_LIBRARIES := core-oj core-libart ext framework $(LOCAL_JAVA_LIBRARIES)
-  $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, core-oj):$(call java-lib-files, core-libart)
+  LOCAL_JAVA_LIBRARIES := core-oj core-libart core-simple ext framework $(LOCAL_JAVA_LIBRARIES)
+  $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, core-oj):$(call java-lib-files, core-libart):$(call java-lib-files, core-simple)
 endif  # LOCAL_SDK_VERSION
 LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))