1 files changed, 1 insertions, 0 deletions
diff --git a/test-mmap.c b/test-mmap.c
index 7fb2f973..c322a34d 100644
--- a/test-mmap.c
+++ b/test-mmap.c
@@ -1,5 +1,6 @@
 #include <sys/types.h>
 #include <sys/mman.h>
+#include <stddef.h>
 
 int
 main(void)