1 files changed, 1 insertions, 0 deletions
diff --git a/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java b/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java
index fd9edb42b8..eb99690611 100644
--- a/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java
+++ b/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java
@@ -44,6 +44,7 @@ public class UnsupportedBrowserHandler extends SynchronizedRequestHandler {
             // bypass if cookie set
             String c = request.getHeader("Cookie");
             if (c == null || !c.contains(FORCE_LOAD_COOKIE)) {
+                response.setNoCacheHeaders();
                 writeBrowserTooOldPage(request, response);
                 return true; // request handled
             }