diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index b5c5e9e..c91fdc1 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -84,7 +84,7 @@
 endif
 
 ifeq (true,$(LOCAL_EMMA_INSTRUMENT))
-$(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.em
+$(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.emma.ignore
 $(full_classes_emma_jar): PRIVATE_EMMA_INTERMEDIATES_DIR := $(emma_intermediates_dir)
 ifdef LOCAL_EMMA_COVERAGE_FILTER
 $(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILTER := $(LOCAL_EMMA_COVERAGE_FILTER)
diff --git a/core/java.mk b/core/java.mk
index 811f7ca..74e5875 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -448,7 +448,7 @@
 endif
 
 ifeq ($(LOCAL_EMMA_INSTRUMENT),true)
-$(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.em
+$(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.emma.ignore
 $(full_classes_emma_jar): PRIVATE_EMMA_INTERMEDIATES_DIR := $(emma_intermediates_dir)
 # module level coverage filter can be defined using LOCAL_EMMA_COVERAGE_FILTER
 # in Android.mk