diff --git a/telega-media.el b/telega-media.el
index 848bce4..66f0548 100644
--- a/telega-media.el
+++ b/telega-media.el
@@ -248,7 +248,7 @@ If SYNC-P is specified, wait for file being canceled to download."
               (let ((nfile (telega--getFile file-id)))
                 (telega-file--ensure nfile)
                 (funcall update-callback nfile)))
-          
+
           (funcall update-callback dfile 'chunk-done)
           (when other-parts
             (telega-file--download-incrementally dfile other-parts
@@ -581,6 +581,7 @@ CHEIGHT is the height in chars (default=1)."
 (defun telega-photo-preview--create-image-one-line (photo &optional for-chat)
   "Return one line preview image for the PHOTO.
 Return nil if preview image is unavailable."
+  (condition-case err
   (when (and telega-use-images
              (telega-chat-match-p for-chat telega-use-one-line-preview-for))
     (let* ((create-svg-fun (or telega-preview--create-svg-one-line-function
@@ -610,7 +611,8 @@ Return nil if preview image is unavailable."
                                   (plist-get minithumb :width)
                                   (plist-get minithumb :height)))))))
       (plist-put photo :telega-preview-1 preview-new)
-      (cdr preview-new))))
+      (cdr preview-new)))
+  (error nil)))
 
 (defun telega-video-preview--create-image-one-line (video &optional for-chat)
   "Return one line preview for the VIDEO.
diff --git a/telega-tdlib.el b/telega-tdlib.el
index f31d669..1861ca3 100644
--- a/telega-tdlib.el
+++ b/telega-tdlib.el
@@ -102,10 +102,13 @@ If SYNC-P is specified, then set option is sync manner."
                                                      (type-of val))))
                               :value (or val :false)))))
 
-(defun telega--addProxy (proxy-spec &optional callback)
+(defun telega--addProxy (tl-proxy &optional callback)
   "Add PROXY-SPEC to the list of proxies."
+  (declare (indent 2))
   (telega-server--call
-   `(:@type "addProxy" ,@proxy-spec)
+   (list :@type "addProxy"
+         :proxy tl-proxy
+         :enable (if (plist-get tl-proxy :enable) t :false))
    (or callback #'ignore)))
 
 (defun telega--enableProxy (proxy &optional callback)
@@ -2799,7 +2802,7 @@ TO-LANGUAGE-CODE is a two-letter ISO 639-1 language code. "
       (plist-get reply :text)
     (list :@type "getCountryCode")
     callback))
-  
+
 (defun telega--setNetworkType (tdlib-network-type &optional callback)
   (telega-server--call
    (list :@type "setNetworkType"