diff --git a/apps/learning/admin.py b/apps/learning/admin.py
index 526bd4f2f..f5b5f42d6 100644
--- a/apps/learning/admin.py
+++ b/apps/learning/admin.py
@@ -1,7 +1,7 @@
 from dal_select2.widgets import Select2Multiple
+from django.contrib.admin import SimpleListFilter
 from modeltranslation.admin import TranslationAdmin
 
-from django.conf import settings
 from django.contrib import admin
 from django.db import models as db_models, models
 from django.utils.safestring import mark_safe
@@ -24,6 +24,19 @@
 from .services.personal_assignment_service import update_personal_assignment_score
 from .settings import AssignmentScoreUpdateSource, EnrollmentGradeUpdateSource
 
+class CourseFilter(SimpleListFilter):
+    title = _('Course')
+    parameter_name = 'course'
+    template = 'admin/dropdown_listfilter.html'
+
+    def lookups(self, request, model_admin):
+        courses = Course.objects.all().order_by('-pk').select_related('meta_course', 'semester')
+        return [(course.pk, str(course)) for course in courses]
+
+    def queryset(self, request, queryset):
+        if self.value():
+            return queryset.filter(course__pk=self.value())
+        return queryset
 
 class CourseTeacherAdmin(BaseModelAdmin):
     list_display = ('teacher', 'course')
@@ -123,7 +136,8 @@ class EnrollmentAdmin(BaseModelAdmin):
     list_filter = [
         'course__main_branch__site',
         'course__main_branch',
-        ('course__semester', AdminRelatedDropdownFilter)
+        ('course__semester', AdminRelatedDropdownFilter),
+        CourseFilter,
     ]
     search_fields = ['course__meta_course__name', 'student__last_name']
     exclude = ['grade_changed']
diff --git a/apps/learning/forms.py b/apps/learning/forms.py
index 4c9f1a70e..c52ba067f 100644
--- a/apps/learning/forms.py
+++ b/apps/learning/forms.py
@@ -293,8 +293,7 @@ class CourseEnrollmentForm(forms.Form):
     )
     reason = forms.CharField(
         label=_("Почему вы выбрали этот курс?"),
-        widget=forms.Textarea(),
-        required=False)
+        widget=forms.Textarea())
 
     def __init__(self, **kwargs):
         ask_enrollment_reason = kwargs.pop('ask_enrollment_reason', None)
diff --git a/apps/learning/tests/test_enrollment.py b/apps/learning/tests/test_enrollment.py
index c47eef7df..18bb8a6eb 100644
--- a/apps/learning/tests/test_enrollment.py
+++ b/apps/learning/tests/test_enrollment.py
@@ -218,8 +218,13 @@ def test_enrollment_leave_reason(client):
     client.post(co.get_enroll_url(), data={
         "type": EnrollmentTypes.REGULAR
     })
+    assert Enrollment.active.count() == 0
+    client.post(co.get_enroll_url(), data={
+        "type": EnrollmentTypes.REGULAR,
+        "reason": "reason"
+    })
     assert Enrollment.active.count() == 1
-    assert Enrollment.objects.first().reason_entry == ''
+    assert "reason" in Enrollment.objects.first().reason_entry
     client.post(co.get_unenroll_url(), data={
         "type": EnrollmentTypes.REGULAR,
         "reason": "foo"
@@ -230,7 +235,8 @@ def test_enrollment_leave_reason(client):
     assert 'foo' in e.reason_leave
     # Enroll for the second time and leave with another reason
     client.post(co.get_enroll_url(), data={
-        "type": EnrollmentTypes.REGULAR
+        "type": EnrollmentTypes.REGULAR,
+        "reason": "reason"
     })
     assert Enrollment.active.count() == 1
     client.post(co.get_unenroll_url(), data={