diff --git a/tools/server/public_simplechat/local.tools/simpleproxy.json b/tools/server/public_simplechat/local.tools/simpleproxy.json
index 72f7f81cf3..77261bd1a2 100644
--- a/tools/server/public_simplechat/local.tools/simpleproxy.json
+++ b/tools/server/public_simplechat/local.tools/simpleproxy.json
@@ -17,6 +17,7 @@
         "^duckduckgo\\.com$",
         ".*\\.google\\.com$",
         "^google\\.com$",
+        ".*\\.arxiv\\.org$",
         "^arxiv\\.org$",
         ".*\\.nature\\.com$",
         ".*\\.science\\.org$",