diff --git a/tests/utils.h b/tests/utils.h
index 21d94526..f688df1c 100644
--- a/tests/utils.h
+++ b/tests/utils.h
@@ -1,6 +1,7 @@
 #include <string>
 #include <stdio.h>
 #include <sys/fcntl.h>
+#include <fcntl.h>
 
 using namespace std;