diff --git a/clock.module b/clock.module
index 2bed57b..2af52c7 100755
--- a/clock.module
+++ b/clock.module
@@ -67,9 +67,9 @@ function clock_block_configure($delta = '') {
     // to 'Site time zone', 'User time zone' and 'Local time zone' it contains
     // the name of a custom time zone, so the time zone type must be set to
     // integer value 4.
-    $time_zone_type = ($time_zone === 1 || $time_zone === 2 || $time_zone === 3) ? $time_zone : 4;
-    $custom_time_zone = ($time_zone_type === 4) ? $time_zone : 'UTC';
-    $form['time_zone_type'] = array( 
+    $time_zone_type = ($time_zone == 1 || $time_zone == 2 || $time_zone == 3) ? $time_zone : 4;
+    $custom_time_zone = ($time_zone_type == 4) ? $time_zone : 'UTC';
+    $form['time_zone_type'] = array(
       '#type' => 'radios',
       '#title' => t('Time zone settings'),
       '#description' => t('<em>Local time zone</em> is the time zone on the operating system of the person visiting (regardless of anonymous or authenticated).'),