diff --git a/htdocs/accountancy/admin/account.php b/htdocs/accountancy/admin/account.php
index 3f251e0090b..70f191f3679 100644
--- a/htdocs/accountancy/admin/account.php
+++ b/htdocs/accountancy/admin/account.php
@@ -161,11 +161,11 @@ if ($result) {
 	print '</tr>';
 	
 	print '<tr class="liste_titre">';
-	print '<td class="liste_titre"><input type="text" class="flat" size="15" name="search_account" value="' . $search_account . '"></td>';
-	print '<td class="liste_titre"><input type="text" class="flat" size="15" name="search_label" value="' . $search_label . '"></td>';
-	print '<td class="liste_titre"><input type="text" class="flat" size="15" name="search_accountparent" value="' . $search_accountparent . '"></td>';
-	print '<td class="liste_titre"><input type="text" class="flat" size="15" name="search_pcgtype" value="' . $search_pcgtype . '"></td>';
-	print '<td class="liste_titre"><input type="text" class="flat" size="15" name="search_pcgsubtype" value="' . $search_pcgsubtype . '"></td>';
+	print '<td class="liste_titre"><input type="text" class="flat" size="10" name="search_account" value="' . $search_account . '"></td>';
+	print '<td class="liste_titre"><input type="text" class="flat" size="20" name="search_label" value="' . $search_label . '"></td>';
+	print '<td class="liste_titre"><input type="text" class="flat" size="10" name="search_accountparent" value="' . $search_accountparent . '"></td>';
+	print '<td class="liste_titre"><input type="text" class="flat" size="6" name="search_pcgtype" value="' . $search_pcgtype . '"></td>';
+	print '<td class="liste_titre"><input type="text" class="flat" size="6" name="search_pcgsubtype" value="' . $search_pcgsubtype . '"></td>';
 	print '<td class="liste_titre">&nbsp;</td>';
 	print '<td align="right" colspan="2" class="liste_titre">';
 	print '<input type="image" class="liste_titre" src="' . img_picto($langs->trans("Search"), 'search.png', '', '', 1) . '" name="button_search" value="' . dol_escape_htmltag($langs->trans("Search")) . '" title="' . dol_escape_htmltag($langs->trans("Search")) . '">';
@@ -190,7 +190,7 @@ if ($result) {
 		print '<td>' . $accountstatic->getNomUrl(1) . '</td>';
 		print '<td>' . $obj->label . '</td>';
 
-		if ($obj->account_parent)
+		if (! empty($obj->account_parent))
         {
 			$accountparent->id = $obj->rowid2;
 			$accountparent->label = $obj->label2;
diff --git a/htdocs/accountancy/admin/card.php b/htdocs/accountancy/admin/card.php
index eeb94bddf60..8d1ef913e35 100644
--- a/htdocs/accountancy/admin/card.php
+++ b/htdocs/accountancy/admin/card.php
@@ -59,12 +59,17 @@ if ($action == 'add') {
 
 		// Clean code
 		$account_number = clean_account(GETPOST('account_number')); // Accounting account without zero on the right
+		if (GETPOST('account_category') <= 0) {
+			$account_parent = '';
+		} else {
+			$account_parent = GETPOST('account_category','int');
+		}
 		
 		$object->fk_pcg_version = $obj->pcg_version;
 		$object->pcg_type = GETPOST('pcg_type');
 		$object->pcg_subtype = GETPOST('pcg_subtype');
 		$object->account_number = $account_number;
-		$object->account_parent = GETPOST('account_parent', 'int');
+		$object->account_parent = $account_parent;
 		$object->account_category = GETPOST('account_category');
 		$object->label = GETPOST('label', 'alpha');
 		$object->active = 1;
@@ -96,12 +101,17 @@ if ($action == 'add') {
 
 		// Clean code
 		$account_number = clean_account(GETPOST('account_number')); // Accounting account without zero on the right
-		
+		if (GETPOST('account_category') <= 0) {
+			$account_parent = '';
+		} else {
+			$account_parent = GETPOST('account_category','int');
+		}
+
 		$object->fk_pcg_version = $obj->pcg_version;
 		$object->pcg_type = GETPOST('pcg_type');
 		$object->pcg_subtype = GETPOST('pcg_subtype');
 		$object->account_number = $account_number;
-		$object->account_parent = GETPOST('account_parent', 'int');
+		$object->account_parent = account_parent;
 		$object->account_category = GETPOST('account_category');
 		$object->label = GETPOST('label', 'alpha');
 		
diff --git a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
index 78dfbf95be9..b0e42872772 100644
--- a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
+++ b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
@@ -342,3 +342,5 @@ CREATE TABLE llx_c_accounting_category (
 ) ENGINE=innodb;
 
 ALTER TABLE llx_c_accounting_category ADD UNIQUE INDEX uk_c_accounting_category(code);
+
+ALTER TABLE llx_accounting_account MODIFY COLUMN account_parent integer;
diff --git a/htdocs/install/mysql/tables/llx_accounting_account.sql b/htdocs/install/mysql/tables/llx_accounting_account.sql
index e8927cdfda5..d74c1b75105 100644
--- a/htdocs/install/mysql/tables/llx_accounting_account.sql
+++ b/htdocs/install/mysql/tables/llx_accounting_account.sql
@@ -29,7 +29,7 @@ create table llx_accounting_account
   pcg_type        			varchar(20)  NOT NULL,
   pcg_subtype     			varchar(20)  NOT NULL,
   account_number  			varchar(32)  NOT NULL,
-  account_parent  			varchar(32),
+  account_parent  			integer,							-- Hierarchic parent
   label           			varchar(255) NOT NULL,
   fk_accounting_category 	integer DEFAULT 0,
   fk_user_author  			integer DEFAULT NULL,