3 files changed, 3 insertions, 5 deletions
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index b9971ce0c..7270cf95a 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1343,12 +1343,10 @@ function rcmail_message_body($attrib)
 
 function rcmail_part_image_type($part)
 {
-    $rcmail = rcmail::get_instance();
-
     // Skip TIFF images if browser doesn't support this format...
     $tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tif']);
     // until we can convert them to JPEG
-    $tiff_support = $tiff_support || $rcmail->config->get('im_convert_path');
+    $tiff_support = $tiff_support || rcube_image::is_convertable('image/tiff');
 
     // Content-type regexp
     $mime_regex = $tiff_support ? '/^image\//i' : '/^image\/(?!tif)/i';
diff --git a/program/steps/mail/get.inc b/program/steps/mail/get.inc
index c6262097f..02d57c7dc 100644
--- a/program/steps/mail/get.inc
+++ b/program/steps/mail/get.inc
@@ -221,7 +221,7 @@ else if (strlen($part_id)) {
         // TIFF to JPEG conversion, if needed
         $tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tif']);
         if (!empty($_REQUEST['_embed']) && !$tiff_support
-            && $RCMAIL->config->get('im_convert_path')
+            && rcube_image::is_convertable('image/tiff')
             && rcmail_part_image_type($part) == 'image/tiff'
         ) {
             $tiff2jpeg = true;
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 9498d1dc5..beb2cc6e9 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -102,7 +102,7 @@ if ($uid) {
     }
     if (empty($_SESSION['browser_caps']['tif']) && ($key = array_search('image/tiff', $mimetypes)) !== false) {
         // we can convert tiff to jpeg
-        if (!$RCMAIL->config->get('im_convert_path')) {
+        if (!rcube_image::is_convertable('image/tiff')) {
             unset($mimetypes[$key]);
         }
     }