diff --git a/include/util/sleeper_thread.hpp b/include/util/sleeper_thread.hpp
index a724b1e..861d5f1 100644
--- a/include/util/sleeper_thread.hpp
+++ b/include/util/sleeper_thread.hpp
@@ -95,6 +95,7 @@ class SleeperThread {
   }
 
   ~SleeperThread() {
+    connection_.disconnect();
     stop();
     if (thread_.joinable()) {
       thread_.join();