diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/405gp_pci.c
index 4b5472b..fa5acfc 100644
--- a/cpu/ppc4xx/405gp_pci.c
+++ b/cpu/ppc4xx/405gp_pci.c
@@ -266,6 +266,10 @@
 	}
 #endif
 
+#if defined(CONFIG_405EP) /* on ppc405ep vendor id is not set */
+	pci_write_config_word(PCIDEVID_405GP, PCI_VENDOR_ID, 0x1014); /* IBM */
+#endif
+
 	/*
 	 * Set HCE bit (Host Configuration Enabled)
 	 */