diff --git a/src/include/smbios.h b/src/include/smbios.h
index f02b48b0c0..f82198002f 100644
--- a/src/include/smbios.h
+++ b/src/include/smbios.h
@@ -32,7 +32,8 @@ int smbios_write_type9(unsigned long *current, int *handle,
 			const enum slot_data_bus_bandwidth bandwidth,
 			const enum misc_slot_usage usage,
 			const enum misc_slot_length length,
-			const u16 id, u8 slot_char1, u8 slot_char2, u8 bus, u8 dev_func);
+			const u16 id, u8 slot_char1, u8 slot_char2,
+			u8 segment_group, u8 bus, u8 dev_func);
 enum smbios_bmc_interface_type;
 int smbios_write_type38(unsigned long *current, int *handle,
 			const enum smbios_bmc_interface_type interface_type,
diff --git a/src/lib/smbios.c b/src/lib/smbios.c
index 3ef3c21bca..fb68b4f376 100644
--- a/src/lib/smbios.c
+++ b/src/lib/smbios.c
@@ -639,7 +639,8 @@ int smbios_write_type9(unsigned long *current, int *handle,
 			const enum slot_data_bus_bandwidth bandwidth,
 			const enum misc_slot_usage usage,
 			const enum misc_slot_length length,
-			const u16 id, u8 slot_char1, u8 slot_char2, u8 bus, u8 dev_func)
+			const u16 id, u8 slot_char1, u8 slot_char2,
+			u8 segment_group, u8 bus, u8 dev_func)
 {
 	struct smbios_type9 *t = smbios_carve_table(*current, SMBIOS_SYSTEM_SLOTS,
 						    sizeof(*t), *handle);
@@ -653,7 +654,7 @@ int smbios_write_type9(unsigned long *current, int *handle,
 	t->slot_length = length;
 	t->slot_characteristics_1 = slot_char1;
 	t->slot_characteristics_2 = slot_char2;
-	t->segment_group_number = 0;
+	t->segment_group_number = segment_group;
 	t->bus_number = bus;
 	t->device_function_number = dev_func;
 	t->data_bus_width = SlotDataBusWidthOther;
@@ -1166,6 +1167,7 @@ static int smbios_generate_type9_from_devtree(struct device *dev, int *handle,
 				  0,
 				  1,
 				  0,
+				  0,
 				  dev->bus->secondary,
 				  dev->path.pci.devfn);
 }
diff --git a/src/mainboard/ocp/deltalake/ramstage.c b/src/mainboard/ocp/deltalake/ramstage.c
index d553392e16..c24d004ed0 100644
--- a/src/mainboard/ocp/deltalake/ramstage.c
+++ b/src/mainboard/ocp/deltalake/ramstage.c
@@ -278,6 +278,7 @@ static int create_smbios_type9(int *handle, unsigned long *current)
 					  slot_id,
 					  characteristics_1,
 					  characteristics_2,
+					  0, /* segment group */
 					  stack_busnos[slotinfo[index].stack],
 					  slotinfo[index].dev_func);
 	}