diff --git a/lib/WeBWorK/ContentGenerator/Instructor/Stats.pm b/lib/WeBWorK/ContentGenerator/Instructor/Stats.pm
index 91bdc75eb9..efd891303f 100644
--- a/lib/WeBWorK/ContentGenerator/Instructor/Stats.pm
+++ b/lib/WeBWorK/ContentGenerator/Instructor/Stats.pm
@@ -170,7 +170,6 @@ sub set_stats ($c) {
 	# Only count top level problems for Jitar sets.
 	my $num_problems = $isJitarSet ? scalar(keys %topLevelProblems) : scalar(@problems);
 
-	my $filter = $c->param('filter');
 	my ($students, $filters) = $c->filter_students;
 	for my $studentRecord (@$students) {
 		my $student                    = $studentRecord->user_id;
@@ -362,7 +361,6 @@ sub problem_stats ($c) {
 	my $db        = $c->db;
 	my $ce        = $c->ce;
 	my $user      = $c->param('user');
-	my $filter    = $c->param('filter');
 	my $courseID  = $c->stash('courseID');
 	my $problemID = $c->stash('problemID');
 
diff --git a/templates/ContentGenerator/Instructor/StudentProgress/set_progress.html.ep b/templates/ContentGenerator/Instructor/StudentProgress/set_progress.html.ep
index 3f71ede160..2c856bc55a 100644
--- a/templates/ContentGenerator/Instructor/StudentProgress/set_progress.html.ep
+++ b/templates/ContentGenerator/Instructor/StudentProgress/set_progress.html.ep
@@ -89,8 +89,8 @@
 						</label>
 					</div>
 				</div>
-				% if (param('filter')) {
-					<%= hidden_field filter => param('filter') =%>
+				% if ($filter) {
+					<%= hidden_field filter => $filter =%>
 				% }
 				% if ($primary_sort_method) {
 					<%= hidden_field primary_sort => $primary_sort_method =%>