diff --git a/lib/base/io-engine.hpp b/lib/base/io-engine.hpp
index 55b747a065..75a4b7b525 100644
--- a/lib/base/io-engine.hpp
+++ b/lib/base/io-engine.hpp
@@ -183,6 +183,11 @@ class Timeout : public SharedObject
 		}));
 	}
 
+	~Timeout() override
+	{
+		Cancel();
+	}
+
 	void Cancel();
 
 private: