diff --git a/sql/database.php b/sql/database.php
index 6fae3ea..d49ddfd 100644
--- a/sql/database.php
+++ b/sql/database.php
@@ -6,7 +6,7 @@
 function get_database(): PDO {
     // defined by profiles.
     global $data_source_name;
-    $pdo = new PDO($data_source_name, DATABASE_USER, DATABASE_PASSWORD);
+    $pdo = new PDO($data_source_name, DATABASE_USER, DATABASE_PASSWORD, [PDO::ERRMODE_EXCEPTION]);
 
     $database_exists = $pdo->query("SELECT COUNT(*) FROM sqlite_master WHERE type = 'table'")->fetchColumn() > 0;
 
diff --git a/src/Connexion.php b/src/Connexion.php
index ef9c909..dc9beae 100644
--- a/src/Connexion.php
+++ b/src/Connexion.php
@@ -22,10 +22,7 @@ class Connexion {
      * @return void
      */
     public function exec(string $query, array $args) {
-        $stmnt = $this->pdo->prepare($query);
-        foreach ($args as $name => $value) {
-            $stmnt->bindValue($name, $value[0], $value[1]);
-        }
+        $stmnt = $this->prepare($query, $args);
         $stmnt->execute();
     }
 
@@ -36,12 +33,17 @@ class Connexion {
      * @return array the returned rows of the request
      */
     public function fetch(string $query, array $args): array {
+        $stmnt = $this->prepare($query, $args);
+        $stmnt->execute();
+        return $stmnt->fetchAll(PDO::FETCH_ASSOC);
+    }
+
+    private function prepare(string $query, array $args): \PDOStatement {
         $stmnt = $this->pdo->prepare($query);
         foreach ($args as $name => $value) {
             $stmnt->bindValue($name, $value[0], $value[1]);
         }
-        $stmnt->execute();
-        return $stmnt->fetchAll(PDO::FETCH_ASSOC);
+        return $stmnt;
     }
 
 }
\ No newline at end of file
diff --git a/src/react-display-file.php b/src/react-display-file.php
index 55d9656..89ad7bb 100755
--- a/src/react-display-file.php
+++ b/src/react-display-file.php
@@ -14,7 +14,6 @@
                 ";
             }
         ?>
-
     </script>
 
     <link rel="icon" href="<?= asset("assets/favicon.ico") ?>">