diff --git a/admin/ktutil_locl.h b/admin/ktutil_locl.h
index ea06fb97c..8ed9a7abd 100644
--- a/admin/ktutil_locl.h
+++ b/admin/ktutil_locl.h
@@ -53,6 +53,8 @@
 #endif
 #include <roken.h>
 
+#include <des.h>
+
 #include <krb5.h>
 #include <kadm5/admin.h>
 #include <kadm5/kadm5_err.h>
diff --git a/kadmin/kadmin_locl.h b/kadmin/kadmin_locl.h
index bd57499df..920113195 100644
--- a/kadmin/kadmin_locl.h
+++ b/kadmin/kadmin_locl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997-1999 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997-2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -73,6 +73,7 @@
 #endif
 #include <err.h>
 #include <roken.h>
+#include <des.h>
 #include <krb5.h>
 #include <hdb.h>
 #include <hdb_err.h>
diff --git a/lib/hdb/hdb_locl.h b/lib/hdb/hdb_locl.h
index 225030926..d94d392f7 100644
--- a/lib/hdb/hdb_locl.h
+++ b/lib/hdb/hdb_locl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997-1999 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997-2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -56,6 +56,7 @@
 #endif
 #include <roken.h>
 
+#include <des.h>
 #include <krb5.h>
 #include <hdb.h>
 #include <hdb-private.h>