diff --git a/src/libravatarserv.cpp b/src/libravatarserv.cpp
index 0221dac..0b3e233 100644
--- a/src/libravatarserv.cpp
+++ b/src/libravatarserv.cpp
@@ -31,7 +31,7 @@ settings::Settings settings::settings;
 int main()
 {
     cout << "Server: libravatarserv/" << global::version << endl;
-    cout << "Cache-Control: max-age=86400\n";
+    cout << "Cache-Control: public, max-age=86400\n";
     cout << "Connection: close\n";
 
     const char *request = std::getenv("REQUEST_URI");