diff --git a/testsuites/libtests/flashdisk01/test-file-system.c b/testsuites/libtests/flashdisk01/test-file-system.c
index 10211c0f31..b9e13d0447 100644
--- a/testsuites/libtests/flashdisk01/test-file-system.c
+++ b/testsuites/libtests/flashdisk01/test-file-system.c
@@ -19,6 +19,7 @@
 #if !BSP_SMALL_MEMORY
 
 #include <sys/types.h>
+#include <sys/param.h>
 #include <sys/stat.h>
 #include <assert.h>
 #include <stdio.h>