diff --git a/include/image.mk b/include/image.mk
index 4ffad28bd6..cebe42e9d0 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -31,8 +31,9 @@ $(shell echo $(call tolower,$(1)) | sed 's/_/-/g')
 endef
 
 DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST))
+EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
 
-IMG_PREFIX:=$(DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
+IMG_PREFIX:=$(DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
 
 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
 
diff --git a/target/imagebuilder/files/Makefile b/target/imagebuilder/files/Makefile
index f612ea9abc..1056a42ca3 100644
--- a/target/imagebuilder/files/Makefile
+++ b/target/imagebuilder/files/Makefile
@@ -43,7 +43,7 @@ Building images:
 	make image PACKAGES="<pkg1> [<pkg2> [<pkg3> ...]]" # include extra packages
 	make image FILES="<path>" # include extra files from <path>
 	make image BIN_DIR="<path>" # alternative output directory for the images
-
+	make image EXTRA_IMAGE_NAME="<string>" # Add this to the output image filename (sanitized)
 endef
 $(eval $(call shexport,Helptext))
 
@@ -174,7 +174,7 @@ package_postinst: FORCE
 build_image: FORCE
 	@echo
 	@echo Building images...
-	$(NO_TRACE_MAKE) -C target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 \
+	$(NO_TRACE_MAKE) -C target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 EXTRA_IMAGE_NAME="$(EXTRA_IMAGE_NAME)" \
 		$(if $(USER_PROFILE),PROFILE="$(USER_PROFILE)")
 
 clean: