diff --git a/src/soc/sifive/fu540/cbmem.c b/src/soc/sifive/fu540/cbmem.c
index a7de16c..b6b568d 100644
--- a/src/soc/sifive/fu540/cbmem.c
+++ b/src/soc/sifive/fu540/cbmem.c
@@ -14,13 +14,13 @@
  */
 
 #include <cbmem.h>
+#include <commonlib/helpers.h>
 #include <soc/addressmap.h>
 #include <soc/sdram.h>
-#include <stdlib.h>
 #include <symbols.h>
 
 void *cbmem_top_chipset(void)
 {
-	return (void *)min((uintptr_t)_dram + sdram_size_mb() * MiB,
+	return (void *)MIN((uintptr_t)_dram + sdram_size_mb() * MiB,
 			   FU540_MAXDRAM);
 }