diff --git a/grub.spec b/grub.spec
index 35f9d8b..b986cfa 100644
--- a/grub.spec
+++ b/grub.spec
@@ -5,7 +5,7 @@
 Name:          grub
 Epoch:         2
 Version:       2.12
-Release:       6mamba
+Release:       7mamba
 Summary:       A Multiboot boot loader derived from GRUB, the GRand Unified Bootloader
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -296,7 +296,7 @@ if [ $1 -ge 1 ]; then
    . /etc/os-release
    if [ -e /boot/efi/EFI/${NAME} -a -e /sys/firmware/efi ]; then
          grub-install --target=i386-efi --efi-directory=/boot/efi \
-	        --bootloader-id="${NAME}" --recheck
+	        --bootloader-id="${NAME}32" --recheck
    fi
 fi
 :
@@ -411,6 +411,9 @@ fi
 %endif
 
 %changelog
+* Wed Nov 27 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 2.12-7mamba
+- grub-efi: set bootloader-id as openmamba32 to avoid overriding x86_64-efi image
+
 * Sat Nov 23 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 2.12-6mamba
 - x86_64: provide grub-efi (i386-efi)