diff --git a/sdk_container/src/third_party/coreos-overlay/changelog/bugfixes/2022-08-30-equinix-metal-serial.md b/sdk_container/src/third_party/coreos-overlay/changelog/bugfixes/2022-08-30-equinix-metal-serial.md
new file mode 100644
index 0000000000..8443b27da8
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/changelog/bugfixes/2022-08-30-equinix-metal-serial.md
@@ -0,0 +1 @@
+- Equinix Metal: Fixed serial console settings for the `m3.small.x86` instance by expanding the GRUB check for `i386` to `x86_64` [coreos-overlay#2122](https://github.com/flatcar-linux/coreos-overlay/pull/2122)
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-packet/files/grub.cfg b/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-packet/files/grub.cfg
index dbd914a92c..f780fd76ec 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-packet/files/grub.cfg
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/oem-packet/files/grub.cfg
@@ -3,7 +3,7 @@
 set oem_id="packet"
 set linux_append="flatcar.autologin"
 
-if [ "$grub_cpu" = i386 ]; then
+if [ "$grub_cpu" = i386 ] || [ "$grub_cpu" = x86_64 ]; then
     set gfxpayload="1024x768x8,1024x768"
     set linux_console="console=tty0 console=ttyS1,115200n8"
 fi