diff --git a/motorApp/NewportSrc/xps_ftp.h b/motorApp/NewportSrc/xps_ftp.h
index c8d4759d..8e46b3c6 100644
--- a/motorApp/NewportSrc/xps_ftp.h
+++ b/motorApp/NewportSrc/xps_ftp.h
@@ -23,6 +23,7 @@
 #include <winsock.h>
 #include <windows.h>
 #else
+#include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <unistd.h>