diff --git a/tool/info.c b/tool/info.c
index c378c6c..d6d3f81 100644
--- a/tool/info.c
+++ b/tool/info.c
@@ -22,6 +22,7 @@
 #include <unicode/ucnv.h>
 
 #include <aaruformat.h>
+#include <sys/types.h>
 
 #include "aaruformattool.h"