diff --git a/contrib/numeric_score/main.php b/contrib/numeric_score/main.php
index 333b5d21..4be5a937 100644
--- a/contrib/numeric_score/main.php
+++ b/contrib/numeric_score/main.php
@@ -122,13 +122,13 @@ class NumericScore implements Extension {
 					$year = $event->get_arg(0);
 				}
 				//month
-				if(int_escape($event->get_arg(1)) == 0){
+				if(int_escape($event->get_arg(1)) == 0 || int_escape($event->get_arg(1)) > 12){
 					$month = date("m");
 				}else{
 					$month = $event->get_arg(1);
 				}
 				//day
-				if(int_escape($event->get_arg(2)) == 0){
+				if(int_escape($event->get_arg(2)) == 0 || int_escape($event->get_arg(2)) > 31){
 					$day = date("d");
 				}else{
 					$day = $event->get_arg(2);
diff --git a/contrib/numeric_score/theme.php b/contrib/numeric_score/theme.php
index 50f711e4..8aa60508 100644
--- a/contrib/numeric_score/theme.php
+++ b/contrib/numeric_score/theme.php
@@ -67,7 +67,7 @@ class NumericScoreTheme extends Themelet {
 				'</span>';
 		}
 
-		$b_dte = make_link("popular_by_".$dte[3]."/".date($dte[2], (strtotime(('-1 '.$dte[3]), strtotime($dte[0])))));
+		$b_dte = make_link("popular_by_".$dte[3]."/".date($dte[2], (strtotime('-1 '.$dte[3], strtotime($dte[0])))));
 		$f_dte = make_link("popular_by_".$dte[3]."/".date($dte[2], (strtotime('+1 '.$dte[3], strtotime($dte[0])))));
 
 		$html = '<center><h3><a href="'.$b_dte.'">&laquo;</a> '.$dte[1]