diff --git a/src/mainboard/traverse/geos/romstage.c b/src/mainboard/traverse/geos/romstage.c
index cfdbde9b1f..36c1e2c071 100644
--- a/src/mainboard/traverse/geos/romstage.c
+++ b/src/mainboard/traverse/geos/romstage.c
@@ -19,6 +19,7 @@
  */
 
 #include <stdint.h>
+#include <stdlib.h>
 #include <device/pci_def.h>
 #include <arch/io.h>
 #include <device/pnp_def.h>