diff --git a/cmd/icingadb/main.go b/cmd/icingadb/main.go
index 3c287cee..00a993d8 100644
--- a/cmd/icingadb/main.go
+++ b/cmd/icingadb/main.go
@@ -82,7 +82,7 @@ func run() int {
 	rt := icingadb.NewRuntimeUpdates(db, rc, logger)
 	ods := overdue.NewSync(db, rc, logger)
 
-	sig := make(chan os.Signal)
+	sig := make(chan os.Signal, 1)
 	signal.Notify(sig, os.Interrupt, syscall.SIGTERM, syscall.SIGHUP)
 
 	// Main loop