diff --git a/ChangeLog b/ChangeLog
index d2bc3e9ba05..1394e58a1f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -218,6 +218,7 @@ Fix: [ bug #2715 ] Statistics page has broken layout with long thirdparty names
 Fix: [ bug #2570 ] [Contacts] Page should not process if ID is invalid
 Fix: [ bug #3268 ] SQL error when accessing thirdparty log page without a socid parameter
 Fix: [ bug #3180 ] formObjectOptions hook when editing thirdparty card does not print result
+Fix: [ bug #1791 ] Margin menu not available if any Finance module is not enabled
 
 ***** ChangeLog for 3.5.6 compared to 3.5.5 *****
 Fix: Avoid missing class error for fetch_thirdparty method #1973
diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index 84b0f65d679..dbdf5a976ac 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -2893,11 +2893,12 @@ class PropaleLigne  extends CommonObject
         if (empty($this->total_localtax2)) $this->total_localtax2=0;
         if (empty($this->rang)) $this->rang=0;
         if (empty($this->remise)) $this->remise=0;
-        if (empty($this->remise_percent)) $this->remise_percent=0;
+        if (empty($this->remise_percent) || ! is_numeric($this->remise_percent)) $this->remise_percent=0;
         if (empty($this->info_bits)) $this->info_bits=0;
         if (empty($this->special_code)) $this->special_code=0;
         if (empty($this->fk_parent_line)) $this->fk_parent_line=0;
         if (empty($this->fk_fournprice)) $this->fk_fournprice=0;
+		if (! is_numeric($this->qty)) $this->qty = 0;
 
         if (empty($this->pa_ht)) $this->pa_ht=0;
 
diff --git a/htdocs/core/menus/standard/eldy.lib.php b/htdocs/core/menus/standard/eldy.lib.php
index 92489cd9d61..544984b9c5a 100644
--- a/htdocs/core/menus/standard/eldy.lib.php
+++ b/htdocs/core/menus/standard/eldy.lib.php
@@ -134,9 +134,11 @@ function print_eldy_menu($db,$atarget,$type_user,&$tabMenu,&$menu,$noout=0)
 	}
 
 	// Financial
-	$tmpentry=array('enabled'=>(! empty($conf->comptabilite->enabled) || ! empty($conf->accounting->enabled) || ! empty($conf->facture->enabled) || ! empty($conf->don->enabled) || ! empty($conf->tax->enabled) || ! empty($conf->salaries->enabled) || ! empty($conf->fournisseur->enabled)),
-	'perms'=>(! empty($user->rights->compta->resultat->lire) || ! empty($user->rights->accounting->plancompte->lire) || ! empty($user->rights->facture->lire) || ! empty($user->rights->don->lire) || ! empty($user->rights->tax->charges->lire) || ! empty($user->rights->salaries->read) || ! empty($user->rights->fournisseur->facture->lire)),
-	'module'=>'comptabilite|accounting|facture|don|tax|salaries');
+	$tmpentry=array(
+		'enabled' => (! empty($conf->comptabilite->enabled) || ! empty($conf->accounting->enabled) || ! empty($conf->facture->enabled) || ! empty($conf->don->enabled) || ! empty($conf->tax->enabled) || ! empty($conf->margin->enabled) || ! empty($conf->salaries->enabled) || ! empty($conf->fournisseur->enabled)),
+		'perms' => (! empty($user->rights->compta->resultat->lire) || ! empty($user->rights->accounting->plancompte->lire) || ! empty($user->rights->facture->lire) || ! empty($user->rights->don->lire) || ! empty($user->rights->tax->charges->lire) || !empty($user->rights->margins->liretous) || ! empty($user->rights->salaries->read) || ! empty($user->rights->fournisseur->facture->lire)),
+		'module' => 'comptabilite|accounting|facture|don|tax|salaries|margin'
+	);
 	$showmode=dol_eldy_showmenu($type_user, $tmpentry, $listofmodulesforexternal);
 	if ($showmode)
 	{