diff --git a/lib/classes/binaryAdapter/image/resize/gd.class.php b/lib/classes/binaryAdapter/image/resize/gd.class.php
index 0cafa4af9c..194d9f6308 100644
--- a/lib/classes/binaryAdapter/image/resize/gd.class.php
+++ b/lib/classes/binaryAdapter/image/resize/gd.class.php
@@ -93,13 +93,19 @@ class binaryAdapter_image_resize_gd extends binaryAdapter_processorAbstract
 
     $size = $this->options['size'];
 
-    if (!is_null($size) && !$origine->is_raw_image()
-            && $tech_datas[system_file::TC_DATAS_WIDTH] < $size && $tech_datas[system_file::TC_DATAS_HEIGHT] < $size)
+    if (
+            !is_null($size)
+            && isset($tech_datas[system_file::TC_DATAS_WIDTH])
+            && isset($tech_datas[system_file::TC_DATAS_HEIGHT])
+            && !$origine->is_raw_image()
+            && $tech_datas[system_file::TC_DATAS_WIDTH] < $size
+            && $tech_datas[system_file::TC_DATAS_HEIGHT] < $size
+    )
     {
       $size = max($tech_datas[system_file::TC_DATAS_WIDTH], $tech_datas[system_file::TC_DATAS_HEIGHT]);
     }
-    
-    switch($origine->get_mime())
+
+    switch ($origine->get_mime())
     {
       case "image/jpeg" :
         $imag_original = imagecreatefromjpeg($origine->getPathname());
@@ -114,7 +120,7 @@ class binaryAdapter_image_resize_gd extends binaryAdapter_processorAbstract
         return $this;
         break;
     }
-    
+
 
     if ($imag_original)
     {
@@ -134,8 +140,7 @@ class binaryAdapter_image_resize_gd extends binaryAdapter_processorAbstract
           $w_sub = (int) (($w_doc / $h_doc) * ($h_sub = $size));
         $img_mini = imagecreatetruecolor($w_sub, $h_sub);
 
-        imagecopyresampled($img_mini, $imag_original, 0, 0, 0, 0,
-                $w_sub, $h_sub, $w_doc, $h_doc);
+        imagecopyresampled($img_mini, $imag_original, 0, 0, 0, 0, $w_sub, $h_sub, $w_doc, $h_doc);
       }
 
       if ($this->options['autorotate'])