trecoolz on "Plugin if statement not working"

Hello all

I'm developing a simple plugin to show some social icons based on options. I have used if statements successfully before now with no issue. The following code is causing me problems:

<?php if ( get_option('sd_facebook_visible') ) {
					echo '<li><a href="' . get_option('sd_facebook') .  $linkcontent['facebook'] . '</a></li>';
				} ?>

I have done var_dump(get_option('sd_facebook_visible')); which returns the following.

string(1) "1"

It is a checkbox on my options page. No matter what state the checkbox is it just wont show any ideas?

Many Thanks