diff --git a/lib/hdb/mkey.c b/lib/hdb/mkey.c
index 81760a494..8fd977753 100644
--- a/lib/hdb/mkey.c
+++ b/lib/hdb/mkey.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
+ * Copyright (c) 2000 - 2002 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -199,6 +199,7 @@ read_master_encryptionkey(krb5_context context, const char *filename,
     krb5_error_code ret;
     unsigned char buf[256];
     ssize_t len;
+    size_t ret_len;
 	       
     fd = open(filename, O_RDONLY | O_BINARY);
     if(fd < 0) {
@@ -217,7 +218,7 @@ read_master_encryptionkey(krb5_context context, const char *filename,
 	return save_errno;
     }
 
-    ret = decode_EncryptionKey(buf, len, &key, &len);
+    ret = decode_EncryptionKey(buf, len, &key, &ret_len);
     memset(buf, 0, sizeof(buf));
     if(ret)
 	return ret;