diff --git a/dblayer.php b/dblayer.php
index 51ef26b..ed262aa 100644
--- a/dblayer.php
+++ b/dblayer.php
@@ -1042,8 +1042,9 @@ class dblayer
           break;
         case "varchar":
           if (!isset ($params[1]))
-            throw new Exception (dgettext("domframework",
-                                 "No Size provided for varchar field"), 500);
+            throw new Exception (sprintf (dgettext("domframework",
+                                 "No Size provided for varchar field '%s'"),
+                                 $field), 500);
           $sql .= "VARCHAR(".$params[1].")";
           $params  = array_slice ($params, 2);
           break;
@@ -1075,9 +1076,9 @@ class dblayer
           case "not null": $sql .= " NOT NULL"; break;
           case "autoincrement": $sql .= " AUTOINCREMENT";break;
           default:
-            throw new Exception (dgettext("domframework",
-                                 "Unknown additionnal parameter for field"),
-                                 500);
+            throw new Exception (sprintf (dgettext("domframework",
+                                "Unknown additionnal parameter for field '%s'"),
+                                 $field), 500);
           }
         }
         $i ++;