diff --git a/src/insomnia.cpp b/src/insomnia.cpp
index 8cae8ab..57dbf35 100644
--- a/src/insomnia.cpp
+++ b/src/insomnia.cpp
@@ -224,7 +224,9 @@ void Insomnia::heartbeatReceived(int sock) {
     stop();
     emit timeout();
 
-    start();
+    if (!m_singleShot) {
+        start();
+    }
 }
 
 bool Insomnia::isActive() const