diff --git a/src/commonlib/include/commonlib/fsp.h b/src/commonlib/include/commonlib/fsp.h
index 84e2c98a8b..a2a2faebe8 100644
--- a/src/commonlib/include/commonlib/fsp.h
+++ b/src/commonlib/include/commonlib/fsp.h
@@ -18,6 +18,7 @@
 
 #include <stddef.h>
 #include <stdint.h>
+#include <sys/types.h>
 
 /*
  * Relocate FSP held within buffer defined by size to new_addr. Returns < 0