diff --git a/lib/WeBWorK/ContentGenerator/CourseAdmin.pm b/lib/WeBWorK/ContentGenerator/CourseAdmin.pm
index 034f60b373..10963c8c44 100644
--- a/lib/WeBWorK/ContentGenerator/CourseAdmin.pm
+++ b/lib/WeBWorK/ContentGenerator/CourseAdmin.pm
@@ -1057,6 +1057,9 @@ sub do_archive_course ($c) {
 	my $ce = $c->ce;
 	my $db = $c->db;
 
+	# Increase the inactivity timeout for this potentially long operation.
+	$c->inactivity_timeout(1200);
+
 	my @archive_courseIDs = $c->param('archive_courseIDs');
 	my $archive_courseID  = $archive_courseIDs[0];
 
@@ -1267,6 +1270,9 @@ sub do_unarchive_course ($c) {
 
 	my $unarchive_courseID = $c->param('unarchive_courseID') || '';
 
+	# Increase the inactivity timeout for this potentially long operation.
+	$c->inactivity_timeout(1200);
+
 	unarchiveCourse(
 		newCourseID => $new_courseID,
 		oldCourseID => $unarchive_courseID =~ s/\.tar\.gz$//r,