diff --git a/libscws/xdict.c b/libscws/xdict.c
index b9ff078..48fe454 100644
--- a/libscws/xdict.c
+++ b/libscws/xdict.c
@@ -20,8 +20,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 #ifndef WIN32
+#    include <unistd.h>
 #    include <sys/param.h>
 #endif
 #include <sys/types.h>