diff --git a/dblayer.php b/dblayer.php
index 45dae89..dd8652b 100644
--- a/dblayer.php
+++ b/dblayer.php
@@ -135,8 +135,9 @@ class dblayer
       throw new Exception (dgettext("domframework", "No valid DSN provided"),
                            500);
     if (! in_array ($driver[0], pdo_drivers ()))
-      throw new \Exception (dgettext("domframework",
-                            "Driver PDO not available in PHP"), 500);
+      throw new \Exception (sprintf (dgettext("domframework",
+                            "Driver PDO '%s' not available in PHP"),
+                            $driver[0]), 500);
     // Force specifics initialisations
     $this->dsn = $dsn;
     switch ($driver[0])