diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index bcec5ab..981c19b 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -27,6 +27,7 @@
 
 junit_host_jar := $(HOST_OUT_JAVA_LIBRARIES)/junit.jar
 HOSTTESTLIB_JAR := $(HOST_OUT_JAVA_LIBRARIES)/hosttestlib.jar
+DDMLIB_JAR := $(HOST_OUT_JAVA_LIBRARIES)/ddmlib.jar
 
 CTS_CORE_CASE_LIST := android.core.tests.annotation \
 	android.core.tests.archive \
@@ -176,14 +177,14 @@
 TESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-tests,,COMMON)
 CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core,,COMMON)
 
-GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(TESTS_INTERMEDIATES)/classes.jar:$(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar:$(HOST_OUT_JAVA_LIBRARIES)/descGen.jar:$(HOST_JDK_TOOLS_JAR)
+GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(TESTS_INTERMEDIATES)/classes.jar:$(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar:$(HOST_OUT_JAVA_LIBRARIES)/descGen.jar:$(HOSTTESTLIB_JAR):$(DDMLIB_JAR):$(HOST_JDK_TOOLS_JAR)
 
 $(CORE_VM_TEST_DESC): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
 $(CORE_VM_TEST_DESC): PRIVATE_PARAMS:=-Dcts.useSuppliedTestResult=true
 $(CORE_VM_TEST_DESC): PRIVATE_PARAMS+=-Dcts.useEnhancedJunit=true
 $(CORE_VM_TEST_DESC): PRIVATE_JAVAOPTS:=-Xmx256M
 # Please see big comment above on why this line depends on javalib.jar instead of classes.jar
-$(CORE_VM_TEST_DESC): vm-tests $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar $(TESTS_INTERMEDIATES)/javalib.jar $(cts_dir)/all_cts_files_stamp | $(ACP)
+$(CORE_VM_TEST_DESC): vm-tests $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar $(TESTS_INTERMEDIATES)/javalib.jar  $(HOSTTESTLIB_JAR) $(DDMLIB_JAR) $(cts_dir)/all_cts_files_stamp | $(ACP)
 	$(call generate-core-test-description,$(CORE_VM_TEST_DESC),\
 		cts/tests/vm-tests/AndroidManifest.xml,\
 		dot.junit.AllJunitHostTests, cts/tools/vm-tests/Android.mk)