diff --git a/htdocs/comm/propal/list.php b/htdocs/comm/propal/list.php
index a952c7bb873..ea0e1ce2de2 100644
--- a/htdocs/comm/propal/list.php
+++ b/htdocs/comm/propal/list.php
@@ -297,7 +297,7 @@ foreach ($search_array_options as $key => $val)
     $tmpkey=preg_replace('/search_options_/','',$key);
     $typ=$extrafields->attribute_type[$tmpkey];
     $mode=0;
-    if (in_array($typ, array('int'))) $mode=1;    // Search on a numeric
+    if (in_array($typ, array('int','double'))) $mode=1;    // Search on a numeric
     if ($val && ( ($crit != '' && ! in_array($typ, array('select'))) || ! empty($crit)))
     {
         $sql .= natural_search('ef.'.$tmpkey, $crit, $mode);
@@ -550,12 +550,15 @@ if ($result)
 	            $align=$extrafields->getAlignFlag($key);
 	            $typeofextrafield=$extrafields->attribute_type[$key];
 	            print '<td class="liste_titre'.($align?' '.$align:'').'">';
-	            if (in_array($typeofextrafield, array('varchar', 'int', 'select')))
-	            {
-	                $crit=$val;
-	                $tmpkey=preg_replace('/search_options_/','',$key);
-	                print '<input class="flat" size="4" type="text" name="search_options_'.$tmpkey.'" value="'.dol_escape_htmltag($search_array_options['search_options_'.$tmpkey]).'">';
-	            }
+   			    if (in_array($typeofextrafield, array('varchar', 'int', 'double', 'select')))
+				{
+				    $crit=$val;
+    				$tmpkey=preg_replace('/search_options_/','',$key);
+    				$searchclass='';
+    				if (in_array($typeofextrafield, array('varchar', 'select'))) $searchclass='searchstring';
+    				if (in_array($typeofextrafield, array('int', 'double'))) $searchclass='searchnum';
+    				print '<input class="flat'.($searchclass?' '.$searchclass:'').'" size="4" type="text" name="search_options_'.$tmpkey.'" value="'.dol_escape_htmltag($search_array_options['search_options_'.$tmpkey]).'">';
+				}
 	            print '</td>';
 	        }
 	    }