diff --git a/lib/krb5/crypto.c b/lib/krb5/crypto.c
index 2beff027d..de8a1136d 100644
--- a/lib/krb5/crypto.c
+++ b/lib/krb5/crypto.c
@@ -2902,7 +2902,7 @@ krb5_keytype_to_enctypes_default (krb5_context context,
 				  unsigned *len,
 				  krb5_enctype **val)
 {
-    int i, n;
+    unsigned int i, n;
     krb5_enctype *ret;
 
     if (keytype != KEYTYPE_DES || context->etypes_des == NULL)