diff --git a/include/configs/MERGERBOX.h b/include/configs/MERGERBOX.h
index 30fb6c2..2496639 100644
--- a/include/configs/MERGERBOX.h
+++ b/include/configs/MERGERBOX.h
@@ -36,6 +36,7 @@
 #define CONFIG_SYS_TEXT_BASE	0xFC000000
 
 #define CONFIG_PCI	1
+#define CONFIG_PCI_INDIRECT_BRIDGE 1
 
 #define	CONFIG_MASK_AER_AO
 #define CONFIG_DISPLAY_AER_FULL