diff --git a/lib/module.js b/lib/module.js
index 36d41dd..b30aa39 100755
--- a/lib/module.js
+++ b/lib/module.js
@@ -80,6 +80,8 @@ function axiosModule (_moduleOptions) {
     progress: true,
     proxyHeaders: true,
     proxyHeadersIgnore: [
+      'if-none-match',
+      'if-modified-since',
       'accept',
       'cf-connecting-ip',
       'cf-ray',