diff --git a/pkgupdate b/pkgupdate
index 6bd0d80..44e5a1d 100755
--- a/pkgupdate
+++ b/pkgupdate
@@ -40,6 +40,8 @@ check_cache() {
                 rm ${CACHE_DIR}/index.now
                 echo "No changes on the mirror."
                 exit 0
+            else
+                mv ${CACHE_DIR}/index.now ${CACHE_DIR}/index.previous
             fi
         fi
     else