diff --git a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
index 188cff00216..d56d8f8d4d1 100644
--- a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
+++ b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
@@ -281,7 +281,7 @@ class doc_generic_usergroup_odt extends ModelePDFUserGroup
 				$newfiletmp = preg_replace('/template_/i', '', $newfiletmp);
 				$newfiletmp = preg_replace('/modele_/i', '', $newfiletmp);
 
-				$newfiletmp = $objectref.'_'.$newfiletmp;
+				$newfiletmp = $objectref . '_' . $newfiletmp;
 
 				// Get extension (ods or odt)
 				$newfileformat = substr($newfile, strrpos($newfile, '.') + 1);
@@ -290,11 +290,11 @@ class doc_generic_usergroup_odt extends ModelePDFUserGroup
 					if ($format == '1') {
 						$format = '%Y%m%d%H%M%S';
 					}
-					$filename = $newfiletmp.'-'.dol_print_date(dol_now(), $format).'.'.$newfileformat;
+					$filename = $newfiletmp . '-' . dol_print_date(dol_now(), $format) . '.' . $newfileformat;
 				} else {
-					$filename = $newfiletmp.'.'.$newfileformat;
+					$filename = $newfiletmp . '.' . $newfileformat;
 				}
-				$file = $dir.'/'.$filename;
+				$file = $dir . '/' . $filename;
 				//print "newdir=".$dir;
 				//print "newfile=".$newfile;
 				//print "file=".$file;
@@ -302,8 +302,8 @@ class doc_generic_usergroup_odt extends ModelePDFUserGroup
 
 				dol_mkdir($conf->user->dir_temp);
 				if (!is_writable($conf->user->dir_temp)) {
-					$this->error = "Failed to write in temp directory ".$conf->user->dir_temp;
-					dol_syslog('Error in write_file: '.$this->error, LOG_ERR);
+					$this->error = $langs->transnoentities("ErrorFailedToWriteInTempDirectory", $conf->user->dir_temp);
+					dol_syslog('Error in write_file: ' . $this->error, LOG_ERR);
 					return -1;
 				}