diff --git a/src/client.c b/src/client.c
index 286439e..b4676d0 100644
--- a/src/client.c
+++ b/src/client.c
@@ -112,6 +112,7 @@ int client_request_handler(sock *client, int req_num) {
                       res.status->code >= 300 && res.status->code < 400 ? "info" : "error");
         sprintf(buf, "%i", len);
         http_add_header_field(&res.hdr, "Content-Length", buf);
+        http_add_header_field(&res.hdr, "Content-Type", "text/html; charset=UTF-8");
     } else {
         http_add_header_field(&res.hdr, "Content-Length", "0");
     }
diff --git a/src/net/http.h b/src/net/http.h
index 30e639e..3969a0e 100644
--- a/src/net/http.h
+++ b/src/net/http.h
@@ -143,7 +143,7 @@ const char *http_error_document =
         "        }\n"
         "        h1 {\n"
         "            margin: 0.5em 0;\n"
-        "            font-size: 1.75em;\n"
+        "            font-size: 1.5em;\n"
         "        }\n"
         "        p {\n"
         "            text-align: center;\n"