diff --git a/htdocs/accountancy/bookkeeping/balance.php b/htdocs/accountancy/bookkeeping/balance.php
index a930ed12852..55797290058 100644
--- a/htdocs/accountancy/bookkeeping/balance.php
+++ b/htdocs/accountancy/bookkeeping/balance.php
@@ -227,8 +227,8 @@ if ($action != 'export_csv')
 	$moreforfilter .= $form->selectDate($search_date_end ? $search_date_end : -1, 'date_end', 0, 0, 1, '', 1, 0);
 
 	$moreforfilter .= ' - ';
-	$moreforfilter .= $langs->trans('ShowSubtotalByGroup').': ';
-	$moreforfilter .= '<input type="checkbox" name="show_subgroup" value="show_subgroup"'.($show_subgroup == 'show_subgroup' ? ' checked' : '').'>';
+	$moreforfilter .= '<label for="show_subgroup">'.$langs->trans('ShowSubtotalByGroup').'</label>: ';
+	$moreforfilter .= '<input type="checkbox" name="show_subgroup" id="show_subgroup" value="show_subgroup"'.($show_subgroup == 'show_subgroup' ? ' checked' : '').'>';
 
 
 	$moreforfilter .= '</div>';
@@ -272,6 +272,8 @@ if ($action != 'export_csv')
 	$total_credit = 0;
 	$sous_total_debit = 0;
 	$sous_total_credit = 0;
+	$total_opening_balance = 0;
+	$sous_total_opening_balance = 0;
 	$displayed_account = "";
 
 	$accountingaccountstatic = new AccountingAccount($db);
@@ -302,7 +304,13 @@ if ($action != 'export_csv')
 		$link = '';
 		$total_debit += $line->debit;
 		$total_credit += $line->credit;
-		$root_account_description = $object->get_compte_racine($line->numero_compte);
+		$opening_balance = isset($opening_balances["'".$line->numero_compte."'"]) ? $opening_balances["'".$line->numero_compte."'"] : 0;
+		$total_opening_balance += $opening_balance;
+
+		$tmparrayforrootaccount = $object->getRootAccount($line->numero_compte);
+		$root_account_description = $tmparrayforrootaccount['label'];
+		$root_account_number = $tmparrayforrootaccount['account_number'];
+
 		if (empty($accountingaccountstatic->account_number)) {
 			$link = '<a href="'.DOL_URL_ROOT.'/accountancy/admin/card.php?action=create&accountingaccount='.length_accountg($line->numero_compte).'">'.img_edit_add().'</a>';
 		}
@@ -311,14 +319,14 @@ if ($action != 'export_csv')
 		if (!empty($show_subgroup))
 		{
 			// Show accounting account
-			if (empty($displayed_account) || $root_account_description != $displayed_account) {
+			if (empty($displayed_account) || $root_account_number != $displayed_account) {
 				// Show subtotal per accounting account
 				if ($displayed_account != "") {
 					print '<tr class="liste_total">';
 					print '<td class="right" colspan="2">'.$langs->trans("SubTotal").':</td>';
 					print '<td class="nowrap right">'.price($sous_total_debit).'</td>';
 					print '<td class="nowrap right">'.price($sous_total_credit).'</td>';
-					print '<td class="nowrap right">'.price(price2num($sous_total_credit - $sous_total_debit)).'</td>';
+					print '<td class="nowrap right">'.price(price2num($sous_total_opening_balance + $sous_total_credit - $sous_total_debit)).'</td>';
 					print "<td></td>\n";
 					print '</tr>';
 				}
@@ -328,18 +336,18 @@ if ($action != 'export_csv')
 				print '<td colspan="6" style="font-weight:bold; border-bottom: 1pt solid black;">'.$line->numero_compte.($root_account_description ? ' - '.$root_account_description : '').'</td>';
 				print '</tr>';
 
-				$displayed_account = $root_account_description;
+				$displayed_account = $root_account_number;
 				$sous_total_debit = 0;
 				$sous_total_credit = 0;
+				$sous_total_opening_balance = 0;
 			}
 		}
 
-		// $object->get_compte_racine($line->numero_compte);
 		print '<td>'.$accounting_account.'</td>';
-		print '<td class="nowraponall right">'.price($opening_balances["'".$line->numero_compte."'"]).'</td>';
+		print '<td class="nowraponall right">'.price($opening_balance).'</td>';
 		print '<td class="nowraponall right">'.price($line->debit).'</td>';
 		print '<td class="nowraponall right">'.price($line->credit).'</td>';
-		print '<td class="nowraponall right">'.price(price2num($line->debit - $line->credit, 'MT')).'</td>';
+		print '<td class="nowraponall right">'.price(price2num($opening_balance + $line->debit - $line->credit, 'MT')).'</td>';
 		print '<td class="center">'.$link;
 		print '</td>';
 		print "</tr>\n";
@@ -347,6 +355,7 @@ if ($action != 'export_csv')
 		// Records the sub-total
 		$sous_total_debit += $line->debit;
 		$sous_total_credit += $line->credit;
+		$sous_total_opening_balance += $opening_balance;
 	}
 
 	if (!empty($show_subgroup))
diff --git a/htdocs/accountancy/class/bookkeeping.class.php b/htdocs/accountancy/class/bookkeeping.class.php
index 505c51d27fe..8312b155b8b 100644
--- a/htdocs/accountancy/class/bookkeeping.class.php
+++ b/htdocs/accountancy/class/bookkeeping.class.php
@@ -1898,23 +1898,22 @@ class BookKeeping extends CommonObject
 		return $out;
 	}
 
-	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
-	 * Description of a root accounting account
+	 * Return id and description of a root accounting account.
+	 * This function takes the parent of parent to get the root account !
 	 *
 	 * @param 	string 	$account	Accounting account
 	 * @return 	string 				Root account
 	 */
-	public function get_compte_racine($account = null)
+	public function getRootAccount($account = null)
 	{
-		// phpcs:enable
 		global $conf;
 		$pcgver = $conf->global->CHARTOFACCOUNTS;
 
-		$sql  = "SELECT root.account_number, root.label as label";
+		$sql  = "SELECT root.rowid, root.account_number, root.label as label";
 		$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";
-		$sql .= " AND asy.rowid = ".$pcgver;
+		$sql .= " AND asy.rowid = ".((int) $pcgver);
 		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."accounting_account as parent ON aa.account_parent = parent.rowid";
 		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."accounting_account as root ON parent.account_parent = root.rowid";
 		$sql .= " WHERE aa.account_number = '".$this->db->escape($account)."'";
@@ -1930,7 +1929,7 @@ class BookKeeping extends CommonObject
 				$obj = $this->db->fetch_object($resql);
 			}
 
-			return $obj->label;
+			return array('id'=>$obj->rowid, 'account_number'=>$obj->account_number, 'label'=>$obj->label);
 		} else {
 			$this->error = "Error ".$this->db->lasterror();
 			dol_syslog(__METHOD__." ".$this->error, LOG_ERR);