diff --git a/lib/InfluxPHP/BaseHTTP.php b/lib/InfluxPHP/BaseHTTP.php
index 077a6d5..55efb0d 100644
--- a/lib/InfluxPHP/BaseHTTP.php
+++ b/lib/InfluxPHP/BaseHTTP.php
@@ -64,7 +64,7 @@ class BaseHTTP
         $c->children[] = $this;
     }
 
-    protected function getCurl($url, Array $args = [])
+    protected function getCurl($url, array $args = [])
     {
         $args = array_merge($args, ['u' => $this->user, 'p' => $this->pass]);
         $url  = "http://{$this->host}:{$this->port}/{$this->base}{$url}";
@@ -77,7 +77,7 @@ class BaseHTTP
     protected function execCurl($ch, $json = false)
     {
         $response = curl_exec ($ch);
-        $status   = (string)curl_getinfo($ch, CURLINFO_HTTP_CODE); 
+        $status   = (string)curl_getinfo($ch, CURLINFO_HTTP_CODE);
         //$type     = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
         curl_close($ch);
         if ($status[0] != 2) {
@@ -115,19 +115,19 @@ class BaseHTTP
             }
             return $this;
         }
-        
-        throw new \InvalidArgumentException("Expecting m,s or u");
+
+        throw new \InvalidArgumentException("Expecting s, m or u as time precision");
     }
 
-    protected function get($url, Array $args = [])
+    protected function get($url, array $args = [])
     {
         $ch = $this->getCurl($url, $args);
         return $this->execCurl($ch, true);
     }
 
-    protected function post($url, Array $body)
+    protected function post($url, array $body, array $args = [])
     {
-        $ch = $this->getCurl($url);
+        $ch = $this->getCurl($url, $args);
         curl_setopt_array($ch, [
             CURLOPT_POST =>  1,
             CURLOPT_POSTFIELDS => json_encode($body),
diff --git a/lib/InfluxPHP/Cursor.php b/lib/InfluxPHP/Cursor.php
index ed41aa1..60f73a6 100644
--- a/lib/InfluxPHP/Cursor.php
+++ b/lib/InfluxPHP/Cursor.php
@@ -41,7 +41,7 @@ use ArrayIterator;
 
 class Cursor extends ArrayIterator
 {
-    public function __construct(Array $resultset)
+    public function __construct(array $resultset)
     {
         $rows = [];
         foreach ($resultset as $set) {
diff --git a/lib/InfluxPHP/DB.php b/lib/InfluxPHP/DB.php
index 523023b..630b019 100644
--- a/lib/InfluxPHP/DB.php
+++ b/lib/InfluxPHP/DB.php
@@ -60,7 +60,7 @@ class DB extends BaseHTTP
         return $this->client->deleteDatabase($this->name);
     }
 
-    public function insert($name, Array $data)
+    public function insert($name, array $data)
     {
         $points = [];
         $first  = current($data);
@@ -72,7 +72,7 @@ class DB extends BaseHTTP
             $points[] = array_values($value);
         }
         $body = compact('name', 'columns', 'points');
-        return $this->post('series', [$body]);
+        return $this->post('series', [$body], ['time_precision' => $this->timePrecision]);
     }
 
     public function first($sql)
diff --git a/tests/DBTest.php b/tests/DBTest.php
index b52c953..621a032 100644
--- a/tests/DBTest.php
+++ b/tests/DBTest.php
@@ -63,8 +63,8 @@ class DBTest extends \phpunit_framework_testcase
         $this->assertEquals('m', $db->getTimePrecision());
     }
 
-    /** 
-     * @expectedException InvalidArgumentException 
+    /**
+     * @expectedException InvalidArgumentException
      */
     public function testInvalidTimePrecision()
     {
@@ -118,5 +118,5 @@ class DBTest extends \phpunit_framework_testcase
         }
 
         $db->drop();
-    } 
+    }
 }