diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index b646f8a9c0a..97cdd4db19c 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -9626,8 +9626,8 @@ function dol_eval($s, $returnvalue = 0, $hideerrors = 1, $onlysimplestring = '1'
 			$scheck = preg_replace('/->[a-zA-Z0-9_]+\(/', '->__METHOD__', $s);	// accept parenthesis in '...->method(...'
 			$scheck = preg_replace('/^\(/', '__PARENTHESIS__ ', $scheck);	// accept parenthesis in '(...'. Must replace with __PARENTHESIS__ with a space after to allow following substitutions
 			$scheck = preg_replace('/\s\(/', '__PARENTHESIS__ ', $scheck);	// accept parenthesis in '... ('. Must replace with __PARENTHESIS__ with a space after to allow following substitutions
-			$scheck = preg_replace('/^!?[a-zA-Z0-9_]+\(/', '$1__FUNCTION__', $scheck); // accept parenthesis in 'function(' and '!function('
-			$scheck = preg_replace('/\s!?[a-zA-Z0-9_]+\(/', '$1__FUNCTION__', $scheck); // accept parenthesis in '... function(' and '... !function('
+			$scheck = preg_replace('/^!?[a-zA-Z0-9_]+\(/', '__FUNCTION__', $scheck); // accept parenthesis in 'function(' and '!function('
+			$scheck = preg_replace('/\s!?[a-zA-Z0-9_]+\(/', '__FUNCTION__', $scheck); // accept parenthesis in '... function(' and '... !function('
 			$scheck = preg_replace('/(\^|\')\(/', '__REGEXSTART__', $scheck);	// To allow preg_match('/^(aaa|bbb)/'...  or  isStringVarMatching('leftmenu', '(aaa|bbb)')
 			//print 'scheck='.$scheck." : ".strpos($scheck, '(')."<br>\n";
 			if (strpos($scheck, '(') !== false) {
@@ -9653,8 +9653,8 @@ function dol_eval($s, $returnvalue = 0, $hideerrors = 1, $onlysimplestring = '1'
 			$scheck = preg_replace('/->[a-zA-Z0-9_]+\(/', '->__METHOD__', $s);	// accept parenthesis in '...->method(...'
 			$scheck = preg_replace('/^\(/', '__PARENTHESIS__ ', $scheck);	// accept parenthesis in '(...'. Must replace with __PARENTHESIS__ with a space after to allow following substitutions
 			$scheck = preg_replace('/\s\(/', '__PARENTHESIS__ ', $scheck);	// accept parenthesis in '... ('. Must replace with __PARENTHESIS__ with a space after to allow following substitutions
-			$scheck = preg_replace('/^!?[a-zA-Z0-9_]+\(/', '$1__FUNCTION__', $scheck); // accept parenthesis in 'function(' and '!function('
-			$scheck = preg_replace('/\s!?[a-zA-Z0-9_]+\(/', '$1__FUNCTION__', $scheck); // accept parenthesis in '... function(' and '... !function('
+			$scheck = preg_replace('/^!?[a-zA-Z0-9_]+\(/', '__FUNCTION__', $scheck); // accept parenthesis in 'function(' and '!function('
+			$scheck = preg_replace('/\s!?[a-zA-Z0-9_]+\(/', '__FUNCTION__', $scheck); // accept parenthesis in '... function(' and '... !function('
 			$scheck = preg_replace('/(\^|\')\(/', '__REGEXSTART__', $scheck);		// To allow preg_match('/^(aaa|bbb)/'...  or  isStringVarMatching('leftmenu', '(aaa|bbb)')
 			//print 'scheck='.$scheck." : ".strpos($scheck, '(')."<br>\n";
 			if (strpos($scheck, '(') !== false) {