diff --git a/radio/src/lua/lua_event.cpp b/radio/src/lua/lua_event.cpp
index 9ef44619d..64294cd93 100644
--- a/radio/src/lua/lua_event.cpp
+++ b/radio/src/lua/lua_event.cpp
@@ -53,8 +53,7 @@ void luaNextEvent(LuaEventData* evt)
   if (evt->event != 0) {
     size_t len = sizeof(_lua_event_buffer) - sizeof(LuaEventData);
     memmove(_lua_event_buffer, _lua_event_buffer + 1, len);
-    memclear(_lua_event_buffer + (EVENT_BUFFER_SIZE - 1),
-             sizeof(EVENT_BUFFER_SIZE));
+    memclear(_lua_event_buffer + (EVENT_BUFFER_SIZE - 1), sizeof(LuaEventData));
   }
 }