diff --git a/src/protocols/rdp/rdp_fs.c b/src/protocols/rdp/rdp_fs.c
index 9a1b1edc..e6ccbdf8 100644
--- a/src/protocols/rdp/rdp_fs.c
+++ b/src/protocols/rdp/rdp_fs.c
@@ -35,6 +35,7 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/statvfs.h>
+#include <sys/types.h>
 #include <unistd.h>
 
 #include <guacamole/object.h>