diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 6d6f705..c460bdd 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -357,7 +357,7 @@ Aml *aml_sizeof(Aml *arg);
 void
 build_header(GArray *linker, GArray *table_data,
              AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
-             const char *oem_table_id);
+             const char *oem_id, const char *oem_table_id);
 void *acpi_data_push(GArray *table_data, unsigned size);
 unsigned acpi_data_len(GArray *table);
 void acpi_add_table(GArray *table_offsets, GArray *table_data);
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 78e1290..05b8bd0 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1430,12 +1430,17 @@ Aml *aml_alias(const char *source_object, const char *alias_object)
 void
 build_header(GArray *linker, GArray *table_data,
              AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
-             const char *oem_table_id)
+             const char *oem_id, const char *oem_table_id)
 {
     memcpy(&h->signature, sig, 4);
     h->length = cpu_to_le32(len);
     h->revision = rev;
-    memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
+
+    if (oem_id) {
+        strncpy((char *)h->oem_id, oem_id, sizeof h->oem_id);
+    } else {
+        memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
+    }
 
     if (oem_table_id) {
         strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id));
@@ -1510,5 +1515,5 @@ build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets)
                                        sizeof(uint32_t));
     }
     build_header(linker, table_data,
-                 (void *)rsdt, "RSDT", rsdt_len, 1, NULL);
+                 (void *)rsdt, "RSDT", rsdt_len, 1, NULL, NULL);
 }
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index df1b176..73749aa 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -365,7 +365,7 @@ static void nvdimm_build_nfit(GSList *device_list, GArray *table_offsets,
 
     build_header(linker, table_data,
                  (void *)(table_data->data + header), "NFIT",
-                 sizeof(NvdimmNfitHeader) + structures->len, 1, NULL);
+                 sizeof(NvdimmNfitHeader) + structures->len, 1, NULL, NULL);
     g_array_free(structures, true);
 }
 
@@ -470,7 +470,7 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
     g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - ssdt->buf->len),
-        "SSDT", ssdt->buf->len, 1, "NVDIMM");
+        "SSDT", ssdt->buf->len, 1, NULL, "NVDIMM");
     free_aml_allocator();
 }
 
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 0caf5ce..6b5aa12 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -424,7 +424,7 @@ build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
     spcr->pci_vendor_id = 0xffff;  /* PCI Vendor ID: not a PCI device */
 
     build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2,
-                 NULL);
+                 NULL, NULL);
 }
 
 static void
@@ -443,7 +443,7 @@ build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
     mcfg->allocation[0].end_bus_number = (memmap[VIRT_PCIE_ECAM].size
                                           / PCIE_MMCFG_SIZE_MIN) - 1;
 
-    build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL);
+    build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL, NULL);
 }
 
 /* GTDT */
@@ -469,7 +469,7 @@ build_gtdt(GArray *table_data, GArray *linker)
 
     build_header(linker, table_data,
                  (void *)(table_data->data + gtdt_start), "GTDT",
-                 table_data->len - gtdt_start, 2, NULL);
+                 table_data->len - gtdt_start, 2, NULL, NULL);
 }
 
 /* MADT */
@@ -531,7 +531,7 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info,
 
     build_header(linker, table_data,
                  (void *)(table_data->data + madt_start), "APIC",
-                 table_data->len - madt_start, 3, NULL);
+                 table_data->len - madt_start, 3, NULL, NULL);
 }
 
 /* FADT */
@@ -556,7 +556,7 @@ build_fadt(GArray *table_data, GArray *linker, unsigned dsdt)
                                    sizeof fadt->dsdt);
 
     build_header(linker, table_data,
-                 (void *)fadt, "FACP", sizeof(*fadt), 5, NULL);
+                 (void *)fadt, "FACP", sizeof(*fadt), 5, NULL, NULL);
 }
 
 /* DSDT */
@@ -592,7 +592,7 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
     g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - dsdt->buf->len),
-        "DSDT", dsdt->buf->len, 2, NULL);
+        "DSDT", dsdt->buf->len, 2, NULL, NULL);
     free_aml_allocator();
 }
 
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 78758e2..e1ebd07 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -358,7 +358,7 @@ build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm,
     fadt_setup(fadt, pm);
 
     build_header(linker, table_data,
-                 (void *)fadt, "FACP", sizeof(*fadt), 1, NULL);
+                 (void *)fadt, "FACP", sizeof(*fadt), 1, NULL, NULL);
 }
 
 static void
@@ -428,7 +428,7 @@ build_madt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu,
 
     build_header(linker, table_data,
                  (void *)(table_data->data + madt_start), "APIC",
-                 table_data->len - madt_start, 1, NULL);
+                 table_data->len - madt_start, 1, NULL, NULL);
 }
 
 /* Assign BSEL property to all buses.  In the future, this can be changed
@@ -2197,7 +2197,7 @@ build_ssdt(GArray *table_data, GArray *linker,
     g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - ssdt->buf->len),
-        "SSDT", ssdt->buf->len, 1, NULL);
+        "SSDT", ssdt->buf->len, 1, NULL, NULL);
     free_aml_allocator();
 }
 
@@ -2213,7 +2213,7 @@ build_hpet(GArray *table_data, GArray *linker)
     hpet->timer_block_id = cpu_to_le32(0x8086a201);
     hpet->addr.address = cpu_to_le64(HPET_BASE);
     build_header(linker, table_data,
-                 (void *)hpet, "HPET", sizeof(*hpet), 1, NULL);
+                 (void *)hpet, "HPET", sizeof(*hpet), 1, NULL, NULL);
 }
 
 static void
@@ -2236,7 +2236,7 @@ build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog)
                                    sizeof(tcpa->log_area_start_address));
 
     build_header(linker, table_data,
-                 (void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL);
+                 (void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL, NULL);
 
     acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE);
 }
@@ -2253,7 +2253,7 @@ build_tpm2(GArray *table_data, GArray *linker)
     tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
 
     build_header(linker, table_data,
-                 (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL);
+                 (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL, NULL);
 }
 
 typedef enum {
@@ -2367,7 +2367,7 @@ build_srat(GArray *table_data, GArray *linker, PcGuestInfo *guest_info)
     build_header(linker, table_data,
                  (void *)(table_data->data + srat_start),
                  "SRAT",
-                 table_data->len - srat_start, 1, NULL);
+                 table_data->len - srat_start, 1, NULL, NULL);
 }
 
 static void
@@ -2396,7 +2396,7 @@ build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info)
     } else {
         sig = "MCFG";
     }
-    build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL);
+    build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL, NULL);
 }
 
 static void
@@ -2420,7 +2420,7 @@ build_dmar_q35(GArray *table_data, GArray *linker)
     drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR);
 
     build_header(linker, table_data, (void *)(table_data->data + dmar_start),
-                 "DMAR", table_data->len - dmar_start, 1, NULL);
+                 "DMAR", table_data->len - dmar_start, 1, NULL, NULL);
 }
 
 static void
@@ -2529,7 +2529,7 @@ build_dsdt(GArray *table_data, GArray *linker,
     g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - dsdt->buf->len),
-        "DSDT", dsdt->buf->len, 1, NULL);
+        "DSDT", dsdt->buf->len, 1, NULL, NULL);
     free_aml_allocator();
 }
 
