diff --git a/probe/websocket/ws_test.go b/probe/websocket/ws_test.go
index e0a0fe66..7c5e3296 100644
--- a/probe/websocket/ws_test.go
+++ b/probe/websocket/ws_test.go
@@ -66,7 +66,8 @@ func TestWSPing(t *testing.T) {
 			Headers: test.Headers,
 		}
 		ws.Config(global.ProbeSettings{})
-		ok, _ := ws.DoProbe()
+		ok, err := ws.DoProbe()
+		assert.Nilf(t, err, fmt.Sprintf("case %d", i))
 		assert.Equalf(t, test.Want, ok, fmt.Sprintf("case %d", i))
 
 	}