diff --git a/dblayer.php b/dblayer.php
index 1334c5b..39f5567 100644
--- a/dblayer.php
+++ b/dblayer.php
@@ -952,7 +952,14 @@ class dblayer
     if ($this->debug) echo "DEBUG BIND : primary->".
                            var_export ($deletekey, TRUE)."\n";
     $st->bindValue (":primary", $deletekey);
-    $st->execute ();
+    try
+    {
+      $st->execute ();
+    }
+    catch (Exception $e)
+    {
+      throw new \Exception ($e->getMessage (), 500);
+    }
     $nbLinesDeleted = $st->rowCount();
     $nbLinesDeleted = $this->hookpostdelete ($deletekey, $nbLinesDeleted);
     return $nbLinesDeleted;