gistfile1.txt

diff --git a/src/Illuminate/Database/Schema/Blueprint.php b/src/Illuminate/Database/Schema/Blueprint.php
index cb3de29..a8da812 100755
--- a/src/Illuminate/Database/Schema/Blueprint.php
+++ b/src/Illuminate/Database/Schema/Blueprint.php
@@ -633,7 +633,7 @@ class Blueprint {
        {
                $this->timestamp('created_at');

-               $this->timestamp('updated_at');
+               $this->timestamp('updated_at')->nullable();
        }

        /**
diff --git a/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php b/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php
index 90210ab..2a0908e 100755
--- a/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php
+++ b/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php
@@ -479,7 +479,7 @@ class MySqlGrammar extends Grammar {
         */
        protected function typeTimestamp(Fluent $column)
        {
-               if ( ! $column->nullable) return 'timestamp default 0';
+//             if ( ! $column->nullable) return 'timestamp default 0';

                return 'timestamp';
        }