diff --git a/app/file.go b/app/file.go
index bda26fd9b5..423017260f 100644
--- a/app/file.go
+++ b/app/file.go
@@ -648,8 +648,8 @@ func (t *uploadFileTask) runPlugins() *model.AppError {
 		replacementInfo, rejectionReason := hooks.FileWillBeUploaded(pluginContext,
 			t.fileinfo, t.newReader(), buf)
 		if rejectionReason != "" {
-			rejectionError = t.newAppError("api.file.upload_file.read_request.app_error",
-				rejectionReason, http.StatusBadRequest)
+			rejectionError = t.newAppError("api.file.upload_file.rejected_by_plugin.app_error",
+				rejectionReason, http.StatusForbidden, "Reason", rejectionReason)
 			return false
 		}
 		if replacementInfo != nil {
diff --git a/i18n/en.json b/i18n/en.json
index 04f468be45..8b4046c0f5 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -1252,6 +1252,10 @@
     "id": "api.file.upload_file.too_large_detailed.app_error",
     "translation": "Unable to upload file {{.Filename}}. {{.Length}} bytes exceeds the maximum allowed {{.Limit}} bytes."
   },
+  {
+    "id": "api.file.upload_file.rejected_by_plugin.app_error",
+    "translation": "Unable to upload file {{.Filename}}. Rejected by plugin: {{.Reason}}"
+  },
   {
     "id": "api.file.write_file.s3.app_error",
     "translation": "Encountered an error writing to S3"