diff --git a/parsecsv.lib.php b/parsecsv.lib.php
index 7e29573..28ebb3d 100644
--- a/parsecsv.lib.php
+++ b/parsecsv.lib.php
@@ -843,19 +843,18 @@ class parseCSV {
                 $data = substr($data, 3);
                 $this->encoding('UTF-8');
             }
-            else if (strpos($data, "\xff\xfe") === 0) {
+            elseif (strpos($data, "\xff\xfe") === 0) {
                 // strip off BOM (UTF-16 little endian)
                 $data = substr($data, 2);
                 $this->encoding("UCS-2LE");
             }
-
-            else if (strpos($data, "\xfe\xff") === 0) {
+            elseif (strpos($data, "\xfe\xff") === 0) {
                 // strip off BOM (UTF-16 big endian)
                 $data = substr($data, 2);
                 $this->encoding("UTF-16");
             }
 
-            if ($this->convert_encoding) {
+            if ($this->convert_encoding && $this->input_encoding !== $this->output_encoding) {
                 $data = iconv($this->input_encoding, $this->output_encoding, $data);
             }