diff --git a/cmd/cgr-engine/cgr-engine.go b/cmd/cgr-engine/cgr-engine.go
index f230c1b4b..ed77e3173 100644
--- a/cmd/cgr-engine/cgr-engine.go
+++ b/cmd/cgr-engine/cgr-engine.go
@@ -292,8 +292,8 @@ func cpuProfiling(cpuProfDir string, stopChan, doneChan chan struct{}, exitChan
 }
 
 func singnalHandler(exitChan chan bool) {
-	shutdownSignal := make(chan os.Signal)
-	reloadSignal := make(chan os.Signal)
+	shutdownSignal := make(chan os.Signal, 1)
+	reloadSignal := make(chan os.Signal, 1)
 	signal.Notify(shutdownSignal, os.Interrupt,
 		syscall.SIGTERM, syscall.SIGINT, syscall.SIGQUIT)
 	signal.Notify(reloadSignal, syscall.SIGHUP)