diff --git a/core/Makefile b/core/Makefile
index 404bb54133bd2959c9b6e22bd2138e3c9ea015f2..cbfe52232e8e0adfd8beeb2cc1ea2038df1a827b 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -230,7 +230,7 @@ BUILD_VERSION_TAGS += $(BUILD_KEYS)
 BUILD_VERSION_TAGS := $(subst $(space),$(comma),$(sort $(BUILD_VERSION_TAGS)))
 
 # A human-readable string that descibes this build in detail.
-build_desc := $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT) $(PLATFORM_VERSION) $(BUILD_ID) $(BUILD_NUMBER_FROM_FILE) $(BUILD_VERSION_TAGS)
+build_desc := e_$(TARGET_DEVICE)-$(TARGET_BUILD_VARIANT) $(PLATFORM_VERSION) $(BUILD_ID) $(BUILD_NUMBER_FROM_FILE) $(BUILD_VERSION_TAGS)
 $(intermediate_system_build_prop): PRIVATE_BUILD_DESC := $(build_desc)
 
 # The string used to uniquely identify the combined build and product; used by the OTA server.