diff --git a/include/sta/event.hpp b/include/sta/event.hpp
index 56b05a9..936858c 100644
--- a/include/sta/event.hpp
+++ b/include/sta/event.hpp
@@ -40,7 +40,7 @@ namespace sta
          * @param flags flag nr. to wait for.
          * @param timeout timeout in ms., default to forever.
          */
-        virtual uint32_t wait(uint32_t flags, uint32_t timeout = osWaitForever) = 0;
+        virtual uint32_t wait(uint32_t flags, uint32_t timeout = portMAX_DELAY) = 0;
     };
 } // namespace sta