diff --git a/interfacer/src/browsh/firefox.go b/interfacer/src/browsh/firefox.go
index 03d14f7a..e5f7bbb8 100644
--- a/interfacer/src/browsh/firefox.go
+++ b/interfacer/src/browsh/firefox.go
@@ -149,6 +149,7 @@ func startWERFirefox() {
 	args := []string{
 		"run",
 		"--firefox=" + firefoxBinary,
+		"--headless",
 		"--verbose",
 		"--no-reload",
 	}