diff --git a/htdocs/compta/facture/prelevement.php b/htdocs/compta/facture/prelevement.php
index 29d6488f4ab..25eb5c6f532 100644
--- a/htdocs/compta/facture/prelevement.php
+++ b/htdocs/compta/facture/prelevement.php
@@ -990,7 +990,7 @@ if ($object->id > 0) {
 
 			// Iban
 			print '<td class="center"><span class="iban">';
-			print $obj->iban;
+			print dolDecrypt($obj->iban);
 			if ($obj->iban && $obj->bic) {
 				print " / ";
 			}
@@ -1119,7 +1119,7 @@ if ($object->id > 0) {
 
 			// Iban
 			print '<td class="center"><span class="iban">';
-			print $obj->iban;
+			print dolDecrypt($obj->iban);
 			if ($obj->iban && $obj->bic) {
 				print " / ";
 			}
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index d27e941d1e6..218c5822d66 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5263,14 +5263,15 @@ class Form
 
 			while ($i < $num) {
 				$obj = $this->db->fetch_object($result);
+				$iban = dolDecrypt($obj->iban_prefix);
 				if ($selected == $obj->rowid || ($useempty == 2 && $num == 1 && empty($selected))) {
-					$out .= '<option value="' . $obj->rowid . '" data-iban-prefix="' . $obj->iban_prefix . ' data-bic="' . $obj->bic . '" selected>';
+					$out .= '<option value="' . $obj->rowid . '" data-iban-prefix="' . $iban . ' data-bic="' . $obj->bic . '" selected>';
 				} else {
-					$out .= '<option value="' . $obj->rowid . '" data-iban-prefix="' . $obj->iban_prefix . ' data-bic="' . $obj->bic . '">';
+					$out .= '<option value="' . $obj->rowid . '" data-iban-prefix="' . $iban . ' data-bic="' . $obj->bic . '">';
 				}
 				$out .= trim($obj->label);
 				if ($showibanbic) {
-					$out .= ' (' . $obj->iban_prefix . '/' .$obj->bic. ')';
+					$out .= ' (' . $iban . '/' .$obj->bic. ')';
 				}
 				$out .= '</option>';
 				$i++;
diff --git a/htdocs/install/mysql/migration/20.0.0-21.0.0.sql b/htdocs/install/mysql/migration/20.0.0-21.0.0.sql
index 0d2c24acd18..71037e6248e 100644
--- a/htdocs/install/mysql/migration/20.0.0-21.0.0.sql
+++ b/htdocs/install/mysql/migration/20.0.0-21.0.0.sql
@@ -82,6 +82,8 @@ ALTER TABLE llx_product DROP FOREIGN KEY fk_product_default_warehouse;
 DROP TABLE llx_contratdet_log;
 
 ALTER TABLE llx_societe_rib MODIFY COLUMN iban_prefix varchar(80);
+ALTER TABLE llx_bank_account MODIFY COLUMN iban_prefix varchar(80);
+ALTER TABLE llx_user_rib MODIFY COLUMN iban_prefix varchar(80);
 
 ALTER TABLE llx_bom_bom ADD COLUMN last_main_doc varchar(255) AFTER model_pdf;
 
diff --git a/htdocs/install/mysql/tables/llx_bank_account.sql b/htdocs/install/mysql/tables/llx_bank_account.sql
index b5edc3a2793..059cad3118b 100644
--- a/htdocs/install/mysql/tables/llx_bank_account.sql
+++ b/htdocs/install/mysql/tables/llx_bank_account.sql
@@ -39,7 +39,7 @@ create table llx_bank_account
   cle_rib					varchar(5),
   bic						varchar(11),                -- 11 according to ISO 9362
   bic_intermediate          varchar(11),                -- 11 according to ISO 9362. Same as bic but for intermediate bank
-  iban_prefix				varchar(34),				-- full iban. 34 according to ISO 13616
+  iban_prefix				varchar(80),				-- full iban. 34 according to ISO 13616 but we set 80 to allow to store it with encryption information
   country_iban				varchar(2),					-- deprecated
   cle_iban					varchar(2),
   domiciliation				varchar(255),
diff --git a/htdocs/install/mysql/tables/llx_user_rib.sql b/htdocs/install/mysql/tables/llx_user_rib.sql
index a86fbb01f9e..50733bcbc75 100644
--- a/htdocs/install/mysql/tables/llx_user_rib.sql
+++ b/htdocs/install/mysql/tables/llx_user_rib.sql
@@ -31,7 +31,7 @@ create table llx_user_rib
   cle_rib           varchar(5),    -- key of bank account
   bic               varchar(11),   -- 11 according to ISO 9362
   bic_intermediate  varchar(11),   -- 11 according to ISO 9362. Same as bic but for intermediate bank
-  iban_prefix       varchar(34),   -- full iban. 34 according to ISO 13616
+  iban_prefix       varchar(80),   -- full iban. 34 according to ISO 13616 but we set 80 to allow to store it with encryption information
   domiciliation     varchar(255),
   proprio           varchar(60),
   owner_address     varchar(255),
diff --git a/htdocs/societe/class/api_thirdparties.class.php b/htdocs/societe/class/api_thirdparties.class.php
index 3afe1807ccb..4461bb644e3 100644
--- a/htdocs/societe/class/api_thirdparties.class.php
+++ b/htdocs/societe/class/api_thirdparties.class.php
@@ -1410,6 +1410,7 @@ class Thirdparties extends DolibarrApi
 			$num = $this->db->num_rows($result);
 			while ($i < $num) {
 				$obj = $this->db->fetch_object($result);
+
 				$account = new CompanyBankAccount($this->db);
 				if ($account->fetch($obj->rowid)) {
 					$accounts[] = $account;
diff --git a/htdocs/user/class/userbankaccount.class.php b/htdocs/user/class/userbankaccount.class.php
index b97e8bb0c4c..c1ee44f6840 100644
--- a/htdocs/user/class/userbankaccount.class.php
+++ b/htdocs/user/class/userbankaccount.class.php
@@ -223,7 +223,7 @@ class UserBankAccount extends Account
 				$this->number = $obj->number;
 				$this->cle_rib = $obj->cle_rib;
 				$this->bic = $obj->bic;
-				$this->iban = $obj->iban;
+				$this->iban = dolDecrypt($obj->iban);
 				$this->courant = self::TYPE_CURRENT;
 				$this->type = self::TYPE_CURRENT;