diff --git a/x/simulation/simulate.go b/x/simulation/simulate.go
index 7767cbbe50..fdcf224611 100644
--- a/x/simulation/simulate.go
+++ b/x/simulation/simulate.go
@@ -102,7 +102,7 @@ func SimulateFromSeed(
 	opCount := 0
 
 	// Setup code to catch SIGTERM's
-	c := make(chan os.Signal)
+	c := make(chan os.Signal, 1)
 	signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
 
 	go func() {