diff --git a/core/tasks/factory_ramdisk.mk b/core/tasks/factory_ramdisk.mk
index 2cbea875eb..576a159a1f 100644
--- a/core/tasks/factory_ramdisk.mk
+++ b/core/tasks/factory_ramdisk.mk
@@ -75,10 +75,15 @@ $(INSTALLED_FACTORY_RAMDISK_FS) : $(MKBOOTFS) \
 
 TARGET_RAMDISK_KERNEL := $(INSTALLED_KERNEL_TARGET)
 INSTALLED_FACTORY_RAMDISK_TARGET := $(BUILT_FACTORY_RAMDISK_TARGET)
+ifneq (,$(BOARD_KERNEL_CMDLINE_FACTORY_BOOT))
+  RAMDISK_CMDLINE := --cmdline "$(BOARD_KERNEL_CMDLINE_FACTORY_BOOT)"
+else
+  RAMDISK_CMDLINE :=
+endif
 $(INSTALLED_FACTORY_RAMDISK_TARGET) : $(MKBOOTIMG) $(TARGET_RAMDISK_KERNEL) $(INSTALLED_FACTORY_RAMDISK_FS)
 	$(call pretty,"Target factory ram disk img format: $@")
 	$(MKBOOTIMG) --kernel $(TARGET_RAMDISK_KERNEL) --ramdisk $(INSTALLED_FACTORY_RAMDISK_FS) \
-            --base $(BOARD_KERNEL_BASE) --output $@
+            --base $(BOARD_KERNEL_BASE) $(RAMDISK_CMDLINE) --output $@
 
 endif