diff --git a/date_popup/date_popup.module b/date_popup/date_popup.module
index bd1191a..38192e8 100644
--- a/date_popup/date_popup.module
+++ b/date_popup/date_popup.module
@@ -153,7 +153,7 @@ function date_popup_js_settings_id($id, $func, $settings) {
     // The 1.7 version of datepicker renders the range of year options
     // relative to the drawn year in the popup, and will re-render the options
     // whenever the year changes.
-    if (strpos(jquery_ui_get_version(), '1.7') === 0 && ($parts[0] >= 0 || 0 >= $parts[1])) {
+    if (strpos(jquery_ui_get_version(), '1.7') === 0 && ($parts[0] > 0 || 0 > $parts[1])) {
       $range = max($parts) - min($parts);
       $defaultDate = $parts[0];
       $settings['yearRange'] = '-' . $range . ':' . '+' . $range;