diff --git a/source/vibe/core/core.d b/source/vibe/core/core.d
index ff2f68f..0f58e83 100644
--- a/source/vibe/core/core.d
+++ b/source/vibe/core/core.d
@@ -972,6 +972,7 @@ struct FileDescriptorEvent {
 	private this(int fd, Trigger event_mask)
 	nothrow {
 		m_socket = eventDriver.sockets.adoptStream(fd);
+		m_trigger = event_mask;
 	}
 
 	this(this)