Further improve a for() loop

1 files changed, 1 insertions, 1 deletions

diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 1e6ee3c07..bdbc62097 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -138,7 +138,7 @@ if ( ! function_exists('create_captcha'))
 		$circles	= 20;
 		$points		= 32;
 
-		for ($i = 0, $cp = $circles * $points; $i < $cp - 1; $i++)
+		for ($i = 0, $cp = ($circles * $points) - 1; $i < $cp; $i++)
 		{
 			$theta += $thetac;
 			$rad = $radius * ($i / $points);