diff --git a/htdocs/accountancy/journal/bankjournal.php b/htdocs/accountancy/journal/bankjournal.php
index 8372a728cd2..d849496d965 100644
--- a/htdocs/accountancy/journal/bankjournal.php
+++ b/htdocs/accountancy/journal/bankjournal.php
@@ -760,7 +760,7 @@ if (! $error && $action == 'writebookkeeping') {
 			}
 		}
 
-		if (price2num($totaldebit) != price2num($totalcredit))
+		if (price2num($totaldebit, 'MT') != price2num($totalcredit, 'MT'))
 		{
 			$error++;
 			$errorforline++;
diff --git a/htdocs/accountancy/journal/expensereportsjournal.php b/htdocs/accountancy/journal/expensereportsjournal.php
index 1fbed52b9e3..29131274c7a 100644
--- a/htdocs/accountancy/journal/expensereportsjournal.php
+++ b/htdocs/accountancy/journal/expensereportsjournal.php
@@ -355,7 +355,7 @@ if ($action == 'writebookkeeping') {
 		}
 
 		// Protection against a bug on line before
-		if (price2num($totaldebit) != price2num($totalcredit))
+		if (price2num($totaldebit, 'MT') != price2num($totalcredit, 'MT'))
 		{
 			$error++;
 			$errorforline++;
diff --git a/htdocs/accountancy/journal/purchasesjournal.php b/htdocs/accountancy/journal/purchasesjournal.php
index 4d4368ede62..c7fb4c06304 100644
--- a/htdocs/accountancy/journal/purchasesjournal.php
+++ b/htdocs/accountancy/journal/purchasesjournal.php
@@ -513,7 +513,7 @@ if ($action == 'writebookkeeping') {
 		}
 
 		// Protection against a bug on lines before
-		if (!$errorforline && (price2num($totaldebit) != price2num($totalcredit)))
+		if (! $errorforline && (price2num($totaldebit, 'MT') != price2num($totalcredit, 'MT')))
 		{
 			$error++;
 			$errorforline++;
diff --git a/htdocs/accountancy/journal/sellsjournal.php b/htdocs/accountancy/journal/sellsjournal.php
index 6043d2bf857..878270d3687 100644
--- a/htdocs/accountancy/journal/sellsjournal.php
+++ b/htdocs/accountancy/journal/sellsjournal.php
@@ -471,7 +471,7 @@ if ($action == 'writebookkeeping') {
 		}
 
 		// Protection against a bug on lines before
-		if (!$errorforline && (price2num($totaldebit) != price2num($totalcredit)))
+		if (! $errorforline && (price2num($totaldebit, 'MT') != price2num($totalcredit, 'MT')))
 		{
 			$error++;
 			$errorforline++;
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index add951feb16..c9b8d2c5702 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -7857,12 +7857,11 @@ function natural_search($fields, $value, $mode = 0, $nofirstand = 0)
 			}
 			else    // $mode=0
 			{
-				$textcrit = '';
 				$tmpcrits = explode('|', $crit);
 				$i3 = 0;
 				foreach ($tmpcrits as $tmpcrit)
 				{
-					if (empty($tmpcrit)) continue;
+                    if ($tmpcrit !== '0' && empty($tmpcrit)) continue;
 
 					$newres .= (($i2 > 0 || $i3 > 0) ? ' OR ' : '');
 
diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index 2988de62476..252c3e214fa 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -36,6 +36,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 if (!empty($conf->categorie->enabled))
 	require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';