diff --git a/src/util/signal-connection.cpp b/src/util/signal-connection.cpp
index 8660e4d..7c74246 100644
--- a/src/util/signal-connection.cpp
+++ b/src/util/signal-connection.cpp
@@ -46,6 +46,12 @@
 }
 
 bool
+Connection::isConnected() const
+{
+  return !m_disconnect.expired();
+}
+
+bool
 Connection::operator==(const Connection& other) const
 {
   shared_ptr<function<void()>> f1 = m_disconnect.lock();