diff --git a/deploy/iso/minikube-iso/board/iso/x86_64/post-image.sh b/deploy/iso/minikube-iso/board/iso/x86_64/post-image.sh
index 9a6eb5de75..99c560f656 100755
--- a/deploy/iso/minikube-iso/board/iso/x86_64/post-image.sh
+++ b/deploy/iso/minikube-iso/board/iso/x86_64/post-image.sh
@@ -23,7 +23,7 @@ support/scripts/genimage.sh -c "$GENIMAGE_CFG"
 cd "$BINARIES_DIR"
 mkdir -p root/boot
 cp bzImage root/boot/bzimage
-cp rootfs.cpio.gz root/boot/initrd.img
+cp rootfs.cpio.gz root/boot/initrd
 mkdir -p root/EFI/BOOT
 cp efi-part/EFI/BOOT/* root/EFI/BOOT/
 cp efiboot.img root/EFI/BOOT/