diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 9ff9ec0df63..b1031153507 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -1559,7 +1559,7 @@ function dol_remove_file_process($filenb,$donotupdatesession=0,$donotdeletefile=
 }
 
 /**
- * 	Convert an image file into anoher format.
+ * 	Convert an image file into another format.
  *  This need Imagick php extension.
  *
  *  @param	string	$fileinput  Input file name
@@ -1567,14 +1567,19 @@ function dol_remove_file_process($filenb,$donotupdatesession=0,$donotdeletefile=
  *  @param	string	$fileoutput	Output filename
  *  @return	int					<0 if KO, 0=Nothing done, >0 if OK
  */
-function dol_convert_file($fileinput,$ext='png',$fileoutput='')
+function dol_convert_file($fileinput, $ext='png', $fileoutput='')
 {
 	global $langs;
 
 	if (class_exists('Imagick'))
 	{
 		$image=new Imagick();
-		$ret = $image->readImage($fileinput);
+		try {
+			$ret = $image->readImage($fileinput);
+		} catch(Exception $e) {
+			dol_syslog("Failed to read image using Imagick. Try to install package 'apt-get install ghostscript'.", LOG_WARNING);
+			return 0;
+		}
 		if ($ret)
 		{
 			$ret = $image->setImageFormat($ext);