diff --git a/src/utilities/fbsvcmgr/fbsvcmgr.cpp b/src/utilities/fbsvcmgr/fbsvcmgr.cpp
index 4da9345329..d5d21539ba 100644
--- a/src/utilities/fbsvcmgr/fbsvcmgr.cpp
+++ b/src/utilities/fbsvcmgr/fbsvcmgr.cpp
@@ -28,6 +28,7 @@
 
 #include "firebird.h"
 #include <signal.h>
+#include <io.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>