diff --git a/ShareX.UploadersLib/BaseUploaders/Uploader.cs b/ShareX.UploadersLib/BaseUploaders/Uploader.cs
index 121040df7..3768df445 100644
--- a/ShareX.UploadersLib/BaseUploaders/Uploader.cs
+++ b/ShareX.UploadersLib/BaseUploaders/Uploader.cs
@@ -62,10 +62,7 @@ public static void UpdateServicePointManager()
 
         protected void OnProgressChanged(ProgressManager progress)
         {
-            if (ProgressChanged != null)
-            {
-                ProgressChanged(progress);
-            }
+            ProgressChanged?.Invoke(progress);
         }
 
         protected void OnEarlyURLCopyRequested(string url)
diff --git a/ShareX.UploadersLib/CustomUploader/CustomUploaderItem.cs b/ShareX.UploadersLib/CustomUploader/CustomUploaderItem.cs
index 70554090c..80207dd4f 100644
--- a/ShareX.UploadersLib/CustomUploader/CustomUploaderItem.cs
+++ b/ShareX.UploadersLib/CustomUploader/CustomUploaderItem.cs
@@ -260,17 +260,17 @@ public void ParseResponse(UploadResult result, ResponseInfo responseInfo, Custom
             {
                 result.ResponseInfo = responseInfo;
 
+                if (responseInfo.ResponseText == null)
+                {
+                    responseInfo.ResponseText = "";
+                }
+
+                CustomUploaderParser parser = new CustomUploaderParser(responseInfo, RegexList);
+                parser.Filename = input.Filename;
+                parser.URLEncode = true;
+
                 if (responseInfo.IsSuccess)
                 {
-                    if (responseInfo.ResponseText == null)
-                    {
-                        responseInfo.ResponseText = "";
-                    }
-
-                    CustomUploaderParser parser = new CustomUploaderParser(responseInfo, RegexList);
-                    parser.Filename = input.Filename;
-                    parser.URLEncode = true;
-
                     string url;
 
                     if (!string.IsNullOrEmpty(URL))
@@ -294,6 +294,14 @@ public void ParseResponse(UploadResult result, ResponseInfo responseInfo, Custom
                     result.ThumbnailURL = parser.Parse(ThumbnailURL);
                     result.DeletionURL = parser.Parse(DeletionURL);
                 }
+                else
+                {
+                    if (!string.IsNullOrEmpty(ErrorMessage))
+                    {
+                        string errorMessage = "Error message:\r\n" + parser.Parse(ErrorMessage);
+                        result.Errors.Add(errorMessage);
+                    }
+                }
             }
         }