diff --git a/include/config_distro_defaults.h b/include/config_distro_defaults.h
index 8237239c00..5eea5cf900 100644
--- a/include/config_distro_defaults.h
+++ b/include/config_distro_defaults.h
@@ -29,6 +29,10 @@
 #else
 #define CONFIG_BOOTP_VCI_STRING         "U-boot.arm"
 #endif
+#elif defined(__i386__)
+#define CONFIG_BOOTP_PXE_CLIENTARCH     0x0
+#elif defined(__x86_64__)
+#define CONFIG_BOOTP_PXE_CLIENTARCH     0x9
 #endif
 
 #define CONFIG_OF_LIBFDT