diff --git a/kcm/cache.c b/kcm/cache.c
index a527369f7..25b84ab38 100644
--- a/kcm/cache.c
+++ b/kcm/cache.c
@@ -105,7 +105,7 @@ kcm_ccache_resolve_by_uuid(krb5_context context,
     for (p = ccache_head; p != NULL; p = p->next) {
 	if ((p->flags & KCM_FLAGS_VALID) == 0)
 	    continue;
-	if (memcmp(p->uuid, uuid, sizeof(uuid)) == 0) {
+	if (memcmp(p->uuid, uuid, sizeof(kcmuuid_t)) == 0) {
 	    ret = 0;
 	    break;
 	}