diff --git a/source/eventcore/drivers/winapi/core.d b/source/eventcore/drivers/winapi/core.d
index 58da4e5..a0b4179 100644
--- a/source/eventcore/drivers/winapi/core.d
+++ b/source/eventcore/drivers/winapi/core.d
@@ -33,7 +33,7 @@ final class WinAPIEventDriverCore : EventDriverCore {
 		registerEvent(m_fileCompletionEvent);
 	}
 
-	override size_t waiterCount() { return m_waiterCount; }
+	override size_t waiterCount() { return m_waiterCount + m_timers.pendingCount; }
 
 	package void addWaiter() { m_waiterCount++; }
 	package void removeWaiter() { m_waiterCount--; }