diff --git a/htdocs/accountancy/admin/categories.php b/htdocs/accountancy/admin/categories.php
index decae324ac5..faba7fb1c62 100644
--- a/htdocs/accountancy/admin/categories.php
+++ b/htdocs/accountancy/admin/categories.php
@@ -60,7 +60,7 @@ $accountingcategory = new AccountancyCategory($db);
 
 // si ajout de comptes
 if (! empty($selectcpt)) {
-	$cpts = array ();
+	$cpts = array();
 	foreach ($selectcpt as $selectedoption) {
 		if (! array_key_exists($selectedoption, $cpts))
 			$cpts[$selectedoption] = "'" . $selectedoption . "'";
@@ -71,13 +71,13 @@ if (! empty($selectcpt)) {
 	if ($return<0) {
 		setEventMessages($langs->trans('errors'), $accountingcategory->errors, 'errors');
 	} else {
-		setEventMessages($langs->trans('SetupSaved'), null, 'mesgs');
+		setEventMessages($langs->trans('RecordModifiedSuccessfully'), null, 'mesgs');
 	}
 }
 if ($action == 'delete') {
 	if ($cpt_id) {
 		if ($accountingcategory->deleteCptCat($cpt_id)) {
-			setEventMessages($langs->trans('CategoryDeleted'), null, 'mesgs');
+			setEventMessages($langs->trans('AccountRemovedFromGroup'), null, 'mesgs');
 		} else {
 			setEventMessages($langs->trans('errors'), null, 'errors');
 		}
@@ -173,8 +173,9 @@ if ($action == 'display' || $action == 'delete') {
 				print '<td>' . $cpt->label . '</td>';
 				print '<td class="right">';
 				print "<a href= '".$_SERVER['PHP_SELF']."?action=delete&account_category=" . $cat_id . "&cptid=" . $cpt->rowid."'>";
-				print img_delete($langs->trans("DeleteFromCat")).' ';
-				print $langs->trans("DeleteFromCat")."</a>";
+				print $langs->trans("DeleteFromCat");
+				print img_picto($langs->trans("DeleteFromCat"), 'unlink');
+				print "</a>";
 				print "</td>";
 				print "</tr>\n";
 			}
diff --git a/htdocs/accountancy/class/accountancycategory.class.php b/htdocs/accountancy/class/accountancycategory.class.php
index 73cccdfd721..ae4b42c8e3c 100644
--- a/htdocs/accountancy/class/accountancycategory.class.php
+++ b/htdocs/accountancy/class/accountancycategory.class.php
@@ -514,7 +514,7 @@ class AccountancyCategory // extends CommonObject
 	/**
 	 * Function to select accounting category of an accounting account present in chart of accounts
 	 *
-	 * @param int $id Id category
+	 * @param int $id      Id of category to know which account to exclude
 	 *
 	 * @return int <0 if KO, 0 if not found, >0 if OK
 	 */
@@ -569,12 +569,13 @@ class AccountancyCategory // extends CommonObject
 
 		require_once DOL_DOCUMENT_ROOT.'/core/lib/accounting.lib.php';
 
-		$sql = "SELECT aa.rowid,aa.account_number ";
+		$sql = "SELECT aa.rowid, aa.account_number";
 		$sql .= " FROM " . MAIN_DB_PREFIX . "accounting_account as aa";
 		$sql .= " INNER JOIN " . MAIN_DB_PREFIX . "accounting_system as asy ON aa.fk_pcg_version = asy.pcg_version";
 		$sql .= " AND asy.rowid = " . $conf->global->CHARTOFACCOUNTS;
 		$sql .= " AND aa.active = 1";
 		$sql .= " AND aa.entity = " . $conf->entity;
+        $sql .= " ORDER BY LENGTH(aa.account_number) DESC;";    // LENGTH is ok with mysql and postgresql
 
 		$this->db->begin();
 
@@ -587,10 +588,16 @@ class AccountancyCategory // extends CommonObject
 			return -1;
 		}
 
-		while ( $obj = $this->db->fetch_object($resql))
+		$accountincptsadded=array();
+		while ($obj = $this->db->fetch_object($resql))
 		{
-			if (array_key_exists(length_accountg($obj->account_number), $cpts))
+		    $account_number_formated=length_accountg($obj->account_number);
+		    if (! empty($accountincptsadded[$account_number_formated])) continue;
+
+		    if (array_key_exists($account_number_formated, $cpts))
 			{
+			    $accountincptsadded[$account_number_formated]=1;
+			    // We found an account number that is in list $cpts of account to add
 				$sql = "UPDATE " . MAIN_DB_PREFIX . "accounting_account";
 				$sql .= " SET fk_accounting_category=" . $id_cat;
 				$sql .= " WHERE rowid=".$obj->rowid;
diff --git a/htdocs/langs/en_US/accountancy.lang b/htdocs/langs/en_US/accountancy.lang
index fc2cb928903..30d97cc6e3e 100644
--- a/htdocs/langs/en_US/accountancy.lang
+++ b/htdocs/langs/en_US/accountancy.lang
@@ -256,7 +256,7 @@ NotYetAccounted=Not yet accounted in ledger
 
 ## Admin
 ApplyMassCategories=Apply mass categories
-AddAccountFromBookKeepingWithNoCategories=Available account not yet in a personalized group
+AddAccountFromBookKeepingWithNoCategories=Available account not yet in the personalized group
 CategoryDeleted=Category for the accounting account has been removed
 AccountingJournals=Accounting journals
 AccountingJournal=Accounting journal
@@ -308,6 +308,7 @@ PredefinedGroups=Predefined groups
 WithoutValidAccount=Without valid dedicated account
 WithValidAccount=With valid dedicated account
 ValueNotIntoChartOfAccount=This value of accounting account does not exist into chart of account
+AccountRemovedFromGroup=Account removed from group
 
 ## Dictionary
 Range=Range of accounting account