diff --git a/cmd/agent/signal.go b/cmd/agent/signal.go
index f3362a9a4..41782d7d3 100644
--- a/cmd/agent/signal.go
+++ b/cmd/agent/signal.go
@@ -26,7 +26,7 @@ func WithContext(ctx context.Context) context.Context {
 func WithContextFunc(ctx context.Context, f func()) context.Context {
 	ctx, cancel := context.WithCancel(ctx)
 	go func() {
-		c := make(chan os.Signal)
+		c := make(chan os.Signal, 1)
 		signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
 		defer signal.Stop(c)
 
diff --git a/pipeline/interrupt/interrupt.go b/pipeline/interrupt/interrupt.go
index 0296d7548..adf79b6f1 100644
--- a/pipeline/interrupt/interrupt.go
+++ b/pipeline/interrupt/interrupt.go
@@ -20,7 +20,7 @@ func WithContext(ctx context.Context) context.Context {
 func WithContextFunc(ctx context.Context, f func()) context.Context {
 	ctx, cancel := context.WithCancel(ctx)
 	go func() {
-		c := make(chan os.Signal)
+		c := make(chan os.Signal, 1)
 		signal.Notify(c, os.Interrupt)
 		defer signal.Stop(c)