diff --git a/patches/uefi.patch b/patches/uefi.patch
index 1b1f953b..a4fcd505 100644
--- a/patches/uefi.patch
+++ b/patches/uefi.patch
@@ -930,7 +930,7 @@ index ac70e771c86..6af5cfed963 100644
  GRUB_TERMINAL_CONFIG =
 @@ -43,5 +44,8 @@ endif
  ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
- ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(SIGNATURE)-02)
+ ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(IMG_PART_SIGNATURE)-02)
 +EFI_SIGNATURE:=$(strip $(shell uuidgen | sed -r 's/[a-zA-Z0-9]{2}$$/00/'))
 +EFI_ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
 +EFI_ROOTPART:=$(if $(EFI_ROOTPART),$(EFI_ROOTPART),PARTUUID=$(shell echo $(EFI_SIGNATURE) | sed 's/00$$/02/'))