diff --git a/dlls/user32/message.c b/dlls/user32/message.c
index d7dbc64d796..44b08da79dd 100644
--- a/dlls/user32/message.c
+++ b/dlls/user32/message.c
@@ -2665,7 +2665,7 @@ static int peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags,
     struct received_message_info info, *old_info;
     unsigned int hw_id = 0;  /* id of previous hardware message */
     void *buffer;
-    size_t buffer_size = 256;
+    size_t buffer_size = 1024;
 
     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return -1;