diff --git a/hw/spapr.c b/hw/spapr.c
index 40bb6d300d..8153c05636 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -704,6 +704,8 @@ static void ppc_spapr_init(ram_addr_t ram_size,
     }
 
     /* Set up PCI */
+    spapr_pci_rtas_init();
+
     spapr_create_phb(spapr, "pci", SPAPR_PCI_BUID,
                      SPAPR_PCI_MEM_WIN_ADDR,
                      SPAPR_PCI_MEM_WIN_SIZE,
diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c
index 65ae8c4801..fcc358e4c6 100644
--- a/hw/spapr_pci.c
+++ b/hw/spapr_pci.c
@@ -359,11 +359,6 @@ static void spapr_phb_class_init(ObjectClass *klass, void *data)
 
     sdc->init = spapr_phb_init;
     dc->props = spapr_phb_properties;
-
-    spapr_rtas_register("read-pci-config", rtas_read_pci_config);
-    spapr_rtas_register("write-pci-config", rtas_write_pci_config);
-    spapr_rtas_register("ibm,read-pci-config", rtas_ibm_read_pci_config);
-    spapr_rtas_register("ibm,write-pci-config", rtas_ibm_write_pci_config);
 }
 
 static TypeInfo spapr_phb_info = {
@@ -488,6 +483,14 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
     return 0;
 }
 
+void spapr_pci_rtas_init(void)
+{
+    spapr_rtas_register("read-pci-config", rtas_read_pci_config);
+    spapr_rtas_register("write-pci-config", rtas_write_pci_config);
+    spapr_rtas_register("ibm,read-pci-config", rtas_ibm_read_pci_config);
+    spapr_rtas_register("ibm,write-pci-config", rtas_ibm_write_pci_config);
+}
+
 static void register_types(void)
 {
     type_register_static(&spapr_phb_info);
diff --git a/hw/spapr_pci.h b/hw/spapr_pci.h
index 6bba885600..2aee67fd4c 100644
--- a/hw/spapr_pci.h
+++ b/hw/spapr_pci.h
@@ -63,4 +63,6 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
                           uint32_t xics_phandle,
                           void *fdt);
 
+void spapr_pci_rtas_init(void);
+
 #endif /* __HW_SPAPR_PCI_H__ */