diff --git a/lib/sgroupio.c b/lib/sgroupio.c
index f2685779..5423626a 100644
--- a/lib/sgroupio.c
+++ b/lib/sgroupio.c
@@ -40,6 +40,7 @@
 #include "prototypes.h"
 #include "defines.h"
 #include "commonio.h"
+#include "getdef.h"
 #include "sgroupio.h"
 
 /*@null@*/ /*@only@*/struct sgrp *__sgr_dup (const struct sgrp *sgent)
diff --git a/lib/shadowio.c b/lib/shadowio.c
index 6e44ab24..5fa3d312 100644
--- a/lib/shadowio.c
+++ b/lib/shadowio.c
@@ -40,6 +40,7 @@
 #include <shadow.h>
 #include <stdio.h>
 #include "commonio.h"
+#include "getdef.h"
 #include "shadowio.h"
 #ifdef WITH_TCB
 #include <tcb.h>