diff --git a/src/Csv.php b/src/Csv.php
index f0daee0..fdb34ab 100644
--- a/src/Csv.php
+++ b/src/Csv.php
@@ -126,7 +126,9 @@ class Csv {
 
     /**
      * Offset
-     * Number of rows to ignore from beginning of data
+     * Number of rows to ignore from beginning of data. If present, the heading
+     * row is also counted (if $this->heading == true). In other words,
+     * $offset == 1 and $offset == 0 have the same meaning in that situation.
      *
      * @var int|null
      */
diff --git a/tests/methods/ParseTest.php b/tests/methods/ParseTest.php
index ee88165..443bced 100644
--- a/tests/methods/ParseTest.php
+++ b/tests/methods/ParseTest.php
@@ -154,31 +154,6 @@ class ParseTest extends TestCase {
         $this->assertEquals($expected, $this->csv->data_types);
     }
 
-
-    public function testDataArrayKeysWhenSettingOffsetWithHeading() {
-        $this->csv->offset = 2;
-        $this->csv->auto(__DIR__ . '/fixtures/datatype.csv');
-        $expected = [
-            'title',
-            'isbn',
-            'publishedAt',
-            'published',
-            'count',
-            'price'
-        ];
-
-        $this->assertEquals($expected, array_keys($this->csv->data[0]));
-    }
-
-    public function testDataArrayKeysWhenSettingOffsetWithoutHeading() {
-        $this->csv->heading = false;
-        $this->csv->offset = 2;
-        $this->csv->auto(__DIR__ . '/fixtures/datatype.csv');
-        $expected = range(0, 5, 1);
-
-        $this->assertEquals($expected, array_keys($this->csv->data[0]));
-    }
-
     /**
      * @depends testSepRowAutoDetection
      */
@@ -205,7 +180,6 @@ class ParseTest extends TestCase {
         $sInput = "86545235689\r\n34365587654\r\n13469874576";
         $this->csv->auto($sInput);
         $this->assertFalse($this->csv->autoDetectFileHasHeading());
-
     }
 
     protected function _get_magazines_data() {
diff --git a/tests/properties/OffsetTest.php b/tests/properties/OffsetTest.php
new file mode 100644
index 0000000..728201c
--- /dev/null
+++ b/tests/properties/OffsetTest.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace ParseCsv\tests\properties;
+
+/**
+ * Tests related to the $offset property
+ */
+class OffsetTest extends BaseClass {
+    public function testOffsetOfOne() {
+        $this->csv->offset = 1;
+        $this->csv->auto(__DIR__ . '/../methods/fixtures/datatype.csv');
+        $this->assertCount(3, $this->csv->data);
+
+        if (!function_exists('array_column')) {
+            // function only available in PHP >= 5.5
+            return;
+        }
+        $expected = [
+            'Красивая кулинария',
+            'The Wine Connoisseurs',
+            'Weißwein',
+        ];
+        $actual = array_column($this->csv->data, 'title');
+        $this->assertEquals($expected, $actual);
+    }
+
+    public function numberRangeZeroToFourProvider() {
+        return array_map(function ($number) {
+            return [$number];
+        }, range(0, 4));
+    }
+
+    /**
+     * @dataProvider numberRangeZeroToFourProvider
+     *
+     * @param integer $offset
+     */
+    public function testOffsetOfOneNoHeader($offset) {
+        $this->csv->offset = $offset;
+        $this->csv->heading = false;
+        $this->csv->auto(__DIR__ . '/../methods/fixtures/datatype.csv');
+        $this->assertCount(4 - $offset, $this->csv->data);
+    }
+
+    public function testDataArrayKeysWhenSettingOffsetWithHeading() {
+        $this->csv->offset = 2;
+        $this->csv->auto(__DIR__ . '/../methods/fixtures/datatype.csv');
+        $expected = [
+            [
+                'title' => 'The Wine Connoisseurs',
+                'isbn' => '2547-8548-2541',
+                'publishedAt' => '12.12.2011',
+                'published' => 'TRUE',
+                'count' => '',
+                'price' => 20.33,
+            ],
+            [
+                'title' => 'Weißwein',
+                'isbn' => '1313-4545-8875',
+                'publishedAt' => '23.02.2012',
+                'published' => 'false',
+                'count' => 10,
+                'price' => 10,
+            ],
+        ];
+
+        $this->assertEquals($expected, $this->csv->data);
+    }
+
+    public function testDataArrayKeysWhenSettingOffsetWithoutHeading() {
+        $this->csv->heading = false;
+        $this->csv->offset = 2;
+        $this->csv->auto(__DIR__ . '/../methods/fixtures/datatype.csv');
+        $expected = range(0, 5, 1);
+
+        $this->assertEquals($expected, array_keys($this->csv->data[0]));
+    }
+}