diff --git a/src/event/Loop.cxx b/src/event/Loop.cxx
index d3de427c9..196d7475d 100644
--- a/src/event/Loop.cxx
+++ b/src/event/Loop.cxx
@@ -221,7 +221,6 @@ EventLoop::Run() noexcept
 	} while (!quit);
 
 #ifndef NDEBUG
-	assert(busy);
 	assert(thread.IsInside());
 #endif
 }