1 files changed, 3 insertions, 3 deletions
diff --git a/phpBB/phpbb/captcha/non_gd.php b/phpBB/phpbb/captcha/non_gd.php
index 3818672f17..8105187ed9 100644
--- a/phpBB/phpbb/captcha/non_gd.php
+++ b/phpBB/phpbb/captcha/non_gd.php
@@ -78,7 +78,7 @@ class non_gd
 
 				for ($j = 0; $j < $code_len; $j++)
 				{
-					$image .= $this->randomise(substr($hold_chars[$code{$j}][$i - $offset_y - 1], 1), $char_widths[$j]);
+					$image .= $this->randomise(substr($hold_chars[$code[$j]][$i - $offset_y - 1], 1), $char_widths[$j]);
 				}
 
 				for ($j = $offset_x + $img_width; $j < $this->width; $j++)
@@ -117,7 +117,7 @@ class non_gd
 		$end = strlen($scanline) - ceil($width/2);
 		for ($i = (int) floor($width / 2); $i < $end; $i++)
 		{
-			$pixel = ord($scanline{$i});
+			$pixel = ord($scanline[$i]);
 
 			if ($pixel < 190)
 			{
@@ -129,7 +129,7 @@ class non_gd
 			}
 			else
 			{
-				$new_line .= $scanline{$i};
+				$new_line .= $scanline[$i];
 			}
 		}