diff --git a/common/fdt_support.c b/common/fdt_support.c
index 812acb401c176f81976fceb05e637fec024dc91c..416100e394dc92d3c61f143aa807681b1a5c84ce 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -387,7 +387,11 @@ static void write_cell(u8 *addr, u64 val, int size)
 	}
 }
 
+#ifdef CONFIG_NR_DRAM_BANKS
+#define MEMORY_BANKS_MAX CONFIG_NR_DRAM_BANKS
+#else
 #define MEMORY_BANKS_MAX 4
+#endif
 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks)
 {
 	int err, nodeoffset;