diff --git a/src/encr.c b/src/encr.c
index fe7b2e8f..cde6a991 100644
--- a/src/encr.c
+++ b/src/encr.c
@@ -19,6 +19,8 @@
 
 #include "config.h"
 
+#include <sys/types.h>
+
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/src/protocol.c b/src/protocol.c
index b5305e8f..5d84c5d7 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -19,6 +19,8 @@
 
 #include "config.h"
 
+#include <sys/types.h>
+
 #include <stdlib.h>
 #include <string.h>
 #include <syslog.h>