diff --git a/htdocs/bom/class/bom.class.php b/htdocs/bom/class/bom.class.php
index e7798341f79..059f558fd17 100644
--- a/htdocs/bom/class/bom.class.php
+++ b/htdocs/bom/class/bom.class.php
@@ -102,7 +102,7 @@ class BOM extends CommonObject
 		'label' => array('type'=>'varchar(255)', 'label'=>'Label', 'enabled'=>1, 'visible'=>1, 'position'=>30, 'notnull'=>1, 'searchall'=>1, 'showoncombobox'=>'2', 'autofocusoncreate'=>1, 'css'=>'minwidth300 maxwidth400', 'csslist'=>'tdoverflowmax200'),
 		'bomtype' => array('type'=>'integer', 'label'=>'Type', 'enabled'=>1, 'visible'=>1, 'position'=>33, 'notnull'=>1, 'default'=>'0', 'arrayofkeyval'=>array(0=>'Manufacturing', 1=>'Disassemble'), 'css'=>'minwidth175', 'csslist'=>'minwidth175 center'),
 		//'bomtype' => array('type'=>'integer', 'label'=>'Type', 'enabled'=>1, 'visible'=>-1, 'position'=>32, 'notnull'=>1, 'default'=>'0', 'arrayofkeyval'=>array(0=>'Manufacturing')),
-		'fk_product' => array('type'=>'integer:Product:product/class/product.class.php:1:(finished IS NULL or finished <> 0)', 'label'=>'Product', 'picto'=>'product', 'enabled'=>1, 'visible'=>1, 'position'=>35, 'notnull'=>1, 'index'=>1, 'help'=>'ProductBOMHelp', 'css'=>'maxwidth500', 'csslist'=>'tdoverflowmax100'),
+		'fk_product' => array('type'=>'integer:Product:product/class/product.class.php:1:((finished:is:null) or (finished:!=:0))', 'label'=>'Product', 'picto'=>'product', 'enabled'=>1, 'visible'=>1, 'position'=>35, 'notnull'=>1, 'index'=>1, 'help'=>'ProductBOMHelp', 'css'=>'maxwidth500', 'csslist'=>'tdoverflowmax100'),
 		'description' => array('type'=>'text', 'label'=>'Description', 'enabled'=>1, 'visible'=>-1, 'position'=>60, 'notnull'=>-1,),
 		'qty' => array('type'=>'real', 'label'=>'Quantity', 'enabled'=>1, 'visible'=>1, 'default'=>1, 'position'=>55, 'notnull'=>1, 'isameasure'=>'1', 'css'=>'maxwidth75imp'),
 		//'efficiency' => array('type'=>'real', 'label'=>'ManufacturingEfficiency', 'enabled'=>1, 'visible'=>-1, 'default'=>1, 'position'=>100, 'notnull'=>0, 'css'=>'maxwidth50imp', 'help'=>'ValueOfMeansLossForProductProduced'),
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 52f91f86963..6f0023548b9 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -7764,7 +7764,7 @@ class Form
 	}
 
 	/**
-	 * Function to forge a SQL criteria
+	 * Function to forge a SQL criteria from a Dolibarr filter syntax string.
 	 *
 	 * @param  array    $matches       Array of found string by regex search. Example: "t.ref:like:'SO-%'" or "t.date_creation:<:'20160101'" or "t.nature:is:NULL"
 	 * @return string                  Forged criteria. Example: "t.field like 'abc%'"
@@ -7784,11 +7784,17 @@ class Form
 
 		$tmpescaped = $tmp[2];
 		$regbis = array();
+
 		if (preg_match('/^\'(.*)\'$/', $tmpescaped, $regbis)) {
 			$tmpescaped = "'".$db->escape($regbis[1])."'";
 		} else {
 			$tmpescaped = $db->escape($tmpescaped);
 		}
+
+		if ($tmp[1] == '!=') {
+			$tmp[1] = '<>';
+		}
+
 		return $db->escape($tmp[0]).' '.strtoupper($db->escape($tmp[1]))." ".$tmpescaped;
 	}
 
diff --git a/htdocs/modulebuilder/template/class/myobject.class.php b/htdocs/modulebuilder/template/class/myobject.class.php
index afd7b4860fb..14b8fc6c09c 100644
--- a/htdocs/modulebuilder/template/class/myobject.class.php
+++ b/htdocs/modulebuilder/template/class/myobject.class.php
@@ -81,7 +81,7 @@ class MyObject extends CommonObject
 	 *  	'date', 'datetime', 'timestamp', 'duration',
 	 *  	'boolean', 'checkbox', 'radio', 'array',
 	 *  	'mail', 'phone', 'url', 'password', 'ip'
-	 *		Note: Filter can be a string like "(t.ref:like:'SO-%') or (t.date_creation:<:'20160101') or (t.nature:is:NULL)"
+	 *		Note: Filter must be a Dolibarr filter syntax string. Example: "(t.ref:like:'SO-%') or (t.date_creation:<:'20160101') or (t.status:!=:0) or (t.nature:is:NULL)"
 	 *  'label' the translation key.
 	 *  'picto' is code of a picto to show before value in forms
 	 *  'enabled' is a condition when the field must be managed (Example: 1 or '$conf->global->MY_SETUP_PARAM' or 'isModEnabled("multicurrency")' ...)