diff --git a/gettext-runtime/intl/dcigettext.c b/gettext-runtime/intl/dcigettext.c
index 7c122b1..0647f8f 100644
--- a/gettext-runtime/intl/dcigettext.c
+++ b/gettext-runtime/intl/dcigettext.c
@@ -66,6 +66,7 @@ extern int errno;
 #endif
 
 #include <locale.h>
+#include <direct.h>
 
 #ifdef _LIBC
   /* Guess whether integer division by zero raises signal SIGFPE.