diff --git a/packages/DocumentsUI/Android.mk b/packages/DocumentsUI/Android.mk
index 568e200fbd983..9d44a6deb0c8e 100644
--- a/packages/DocumentsUI/Android.mk
+++ b/packages/DocumentsUI/Android.mk
@@ -36,7 +36,7 @@ LOCAL_JACK_FLAGS := \
 
 # Only enable asserts on userdebug/eng builds
 ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
-LOCAL_JACK_FLAGS += -D jack.assert.policy=enable
+LOCAL_JACK_FLAGS += -D jack.assert.policy=always
 endif
 
 LOCAL_PACKAGE_NAME := DocumentsUI
diff --git a/packages/MtpDocumentsProvider/Android.mk b/packages/MtpDocumentsProvider/Android.mk
index 0f945ee8a5e16..c9e7195808d22 100644
--- a/packages/MtpDocumentsProvider/Android.mk
+++ b/packages/MtpDocumentsProvider/Android.mk
@@ -11,7 +11,7 @@ LOCAL_PROGUARD_FLAG_FILES := proguard.flags
 
 # Only enable asserts on userdebug/eng builds
 ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
-LOCAL_JACK_FLAGS += -D jack.assert.policy=enable
+LOCAL_JACK_FLAGS += -D jack.assert.policy=always
 endif
 
 include $(BUILD_PACKAGE)