diff --git a/src/event.cpp b/src/event.cpp
index 50999e2..d7032d9 100644
--- a/src/event.cpp
+++ b/src/event.cpp
@@ -1,4 +1,6 @@
 #include <sta/rtos/event.hpp>
+#include <sta/debug/assert.hpp>
+
 
 namespace sta {
     RtosEvent::RtosEvent() {
@@ -26,8 +28,7 @@ namespace sta {
         return osEventFlagsWait(event_id, flags, osFlagsWaitAny, timeout);
     }
 
-    uint32_t RtosEvent::peek(uint32_t flags, uint32_t timeout /* = osWaitForever */)
-    {
+    uint32_t RtosEvent::peek(uint32_t flags, uint32_t timeout /* = osWaitForever */) {
     	return osEventFlagsWait(event_id, flags, osFlagsWaitAny | osFlagsNoClear, timeout);
     }