diff --git a/classes/format.php b/classes/format.php
index b7e65869a5..65ac90aa2e 100644
--- a/classes/format.php
+++ b/classes/format.php
@@ -213,7 +213,6 @@ public function to_csv($data = null, $separator = ',')
 				$headings = array_shift($data);
 			}
 		}
-
 		// Single array
 		else
 		{
@@ -221,7 +220,8 @@ public function to_csv($data = null, $separator = ',')
 			$data = array($data);
 		}
 
-		$output = implode('"' . $separator . '"', $headings) . "\"\n";
+		$output = "\"".implode('"' . $separator . '"', $headings) . "\"\n";
+
 		foreach ($data as &$row)
 		{
 			$output .= '"' . implode('"' . $separator . '"', (array) $row) . "\"\n";