diff --git a/common/src/main/java/ctbrec/sites/flirt4free/Flirt4FreeModel.java b/common/src/main/java/ctbrec/sites/flirt4free/Flirt4FreeModel.java
index 39a25994..6f7befb3 100644
--- a/common/src/main/java/ctbrec/sites/flirt4free/Flirt4FreeModel.java
+++ b/common/src/main/java/ctbrec/sites/flirt4free/Flirt4FreeModel.java
@@ -67,8 +67,12 @@ public class Flirt4FreeModel extends AbstractModel {
                     .build();
             try(Response response = getSite().getHttpClient().execute(request)) {
                 if(response.isSuccessful()) {
-                    JSONObject json = new JSONObject(response.body().string());
-                    //LOG.debug("check model status: {}", json.toString(2));
+                    String body = response.body().string();
+                    if(body.trim().isEmpty()) {
+                        return false;
+                    }
+                    JSONObject json = new JSONObject(body);
+                    //LOG.debug("check model status: ", json.toString(2));
                     online = Objects.equals(json.optString("status"), "online");
                     id = json.getString("model_id");
                     if(online) {