diff --git a/src/Writer/FirePhp/FirePhpBridge.php b/src/Writer/FirePhp/FirePhpBridge.php
index 54a5a262..608b605b 100644
--- a/src/Writer/FirePhp/FirePhpBridge.php
+++ b/src/Writer/FirePhp/FirePhpBridge.php
@@ -53,11 +53,11 @@ public function getEnabled()
     /**
      * Log an error message
      *
-     * @param  string $line
-     * @param  string $label
+     * @param  string      $line
+     * @param  string|null $label
      * @return void
      */
-    public function error($line, $label)
+    public function error($line, $label = null)
     {
         return $this->firephp->error($line, $label);
     }
@@ -65,11 +65,11 @@ public function error($line, $label)
     /**
      * Log a warning
      *
-     * @param  string $line
-     * @param  string $label
+     * @param  string      $line
+     * @param  string|null $label
      * @return void
      */
-    public function warn($line, $label)
+    public function warn($line, $label = null)
     {
         return $this->firephp->warn($line, $label);
     }
@@ -77,11 +77,11 @@ public function warn($line, $label)
     /**
      * Log informational message
      *
-     * @param  string $line
-     * @param  string $label 
+     * @param  string      $line
+     * @param  string|null $label
      * @return void
      */
-    public function info($line, $label)
+    public function info($line, $label = null)
     {
         return $this->firephp->info($line, $label);
     }
@@ -100,11 +100,11 @@ public function trace($line)
     /**
      * Log a message
      *
-     * @param  string $line
-     * @param  string $label
+     * @param  string      $line
+     * @param  string|null $label
      * @return void
      */
-    public function log($line, $label)
+    public function log($line, $label = null)
     {
         return $this->firephp->trace($line, $label);
     }