diff --git a/Koha/Course.pm b/Koha/Course.pm
index 9ede81bd3ce..6b67a2b5928 100644
--- a/Koha/Course.pm
+++ b/Koha/Course.pm
@@ -17,14 +17,32 @@ package Koha::Course;
 
 use Modern::Perl;
 
-
 use base qw(Koha::Object);
 
 =head1 NAME
 
 Koha::Course - Koha Course Object class
 
-=head1 API
+=head2 Relations
+
+=head3 instructors
+
+  my $instructors = $course->instructors();
+
+Returns the related Koha::Patrons object containing the instructors for this course
+
+=cut
+
+sub instructors {
+    my ($self) = @_;
+
+    my $instructors = Koha::Patrons->search(
+        { 'course_instructors.course_id' => $self->course_id },
+        { join                           => 'course_instructors' }
+    );
+
+    return $instructors;
+}
 
 =head2 Internal methods
 
diff --git a/course_reserves/course-details.pl b/course_reserves/course-details.pl
index b2ca9e8c878..e5c0c3c5b8d 100755
--- a/course_reserves/course-details.pl
+++ b/course_reserves/course-details.pl
@@ -56,7 +56,7 @@
     }
 }
 
-my $course          = GetCourse($course_id);
+my $course          = Koha::Courses->find($course_id);
 my $course_reserves = GetCourseReserves(
     course_id       => $course_id,
     include_items   => 1,