diff --git a/tests/random-test-client.c b/tests/random-test-client.c
index 5b62f93..13dee0d 100644
--- a/tests/random-test-client.c
+++ b/tests/random-test-client.c
@@ -16,7 +16,9 @@
  */
 
 #include <stdio.h>
+#ifndef _MSC_VER
 #include <unistd.h>
+#endif
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
diff --git a/tests/random-test-server.c b/tests/random-test-server.c
index 8acf46b..43ef2f6 100644
--- a/tests/random-test-server.c
+++ b/tests/random-test-server.c
@@ -16,7 +16,9 @@
  */
 
 #include <stdio.h>
+#ifndef _MSC_VER
 #include <unistd.h>
+#endif
 #include <stdlib.h>
 #include <errno.h>