diff --git a/target/linux/apm821xx/image/Makefile b/target/linux/apm821xx/image/Makefile
index 8edd5780f0a8bb58980ae8b641b493c967cb6e53..f151543b9c05f8b33c05c54e44cfb7ce6d1b88bf 100644
--- a/target/linux/apm821xx/image/Makefile
+++ b/target/linux/apm821xx/image/Makefile
@@ -72,10 +72,13 @@ define Device/mr24
   BLOCKSIZE := 64512
   IMAGES := sysupgrade.tar
   DTB_SIZE := 64512
-  KERNEL_SIZE := 2048k
+  KERNEL_SIZE := 1984k
   IMAGE_SIZE := 8191k
   KERNEL := kernel-bin | lzma | uImage lzma | MerakiAdd-dtb | MerakiNAND
-  KERNEL_INITRAMFS := copy-file $(KDIR)/vmlinux | lzma | uImage lzma | MerakiAdd-dtb | pad-to 2047k | MerakiAdd-initramfs | MerakiNAND
+  KERNEL_INITRAMFS := copy-file $(KDIR)/vmlinux | lzma | uImage lzma | \
+		      check-size $$(KERNEL_SIZE) | \
+		      MerakiAdd-dtb | pad-to 2047k | MerakiAdd-initramfs | \
+		      MerakiNAND
   IMAGE/sysupgrade.tar := sysupgrade-tar
 endef
 TARGET_DEVICES += mr24