diff --git a/tools/irecovery.c b/tools/irecovery.c
index 34e80bf..deffe89 100644
--- a/tools/irecovery.c
+++ b/tools/irecovery.c
@@ -27,7 +27,9 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#ifndef _MSC_VER
 #include <unistd.h>
+#endif
 #include <string.h>
 #include <getopt.h>
 #include <inttypes.h>