diff --git a/replacer/main.go b/replacer/main.go
index 5cb47c4..3a84ce1 100644
--- a/replacer/main.go
+++ b/replacer/main.go
@@ -9,6 +9,7 @@ import (
 	"os/exec"
 	"path"
 	"strconv"
+	"syscall"
 	"time"
 )
 
@@ -71,8 +72,9 @@ func main() {
 		if err != nil {
 			stdlog.Fatal(err)
 		}
-		state, _ := proc.Wait()
-		if state == nil {
+
+		err = proc.Signal(syscall.Signal(0))
+		if err == nil {
 			break
 		}