diff --git a/dmoj/settings.py b/dmoj/settings.py
index c01407d..634b6e4 100644
--- a/dmoj/settings.py
+++ b/dmoj/settings.py
@@ -234,6 +234,7 @@ INSTALLED_APPS += (
     'registration',
     'mptt',
     'reversion',
+    'reversion_compare',
     'django_social_share',
     'social_django',
     'compressor',
diff --git a/judge/admin/__init__.py b/judge/admin/__init__.py
index f079f32..67c778c 100644
--- a/judge/admin/__init__.py
+++ b/judge/admin/__init__.py
@@ -36,3 +36,4 @@ admin.site.register(ProblemType, ProblemTypeAdmin)
 admin.site.register(Profile, ProfileAdmin)
 admin.site.register(Submission, SubmissionAdmin)
 admin.site.register(Ticket, TicketAdmin)
+admin.site
diff --git a/judge/admin/problem.py b/judge/admin/problem.py
index cb5bec4..a8e6c35 100644
--- a/judge/admin/problem.py
+++ b/judge/admin/problem.py
@@ -11,6 +11,8 @@ from django.urls import reverse_lazy
 from django.utils.html import format_html
 from django.utils.translation import gettext, gettext_lazy as _, ungettext
 from reversion.admin import VersionAdmin
+from reversion_compare.admin import CompareVersionAdmin
+
 
 from judge.models import LanguageLimit, Problem, ProblemClarification, ProblemTranslation, Profile, Solution
 from judge.widgets import AdminHeavySelect2MultipleWidget, AdminSelect2MultipleWidget, AdminSelect2Widget, \
@@ -117,7 +119,7 @@ class ProblemTranslationInline(admin.StackedInline):
     extra = 0
 
 
-class ProblemAdmin(VersionAdmin):
+class ProblemAdmin(CompareVersionAdmin):
     fieldsets = (
         (None, {
             'fields': (
diff --git a/judge/models/__init__.py b/judge/models/__init__.py
index a875103..c9c5db2 100644
--- a/judge/models/__init__.py
+++ b/judge/models/__init__.py
@@ -26,4 +26,9 @@ revisions.register(Solution)
 revisions.register(Judge, fields=['name', 'created', 'auth_key', 'description'])
 revisions.register(Language)
 revisions.register(Comment, fields=['author', 'time', 'page', 'score', 'body', 'hidden', 'parent'])
+revisions.register(ProblemTranslation)
+revisions.register(ProblemPointsVote)
+revisions.register(ContestMoss)
+revisions.register(ProblemData)
+revisions.register(ProblemTestCase)
 del revisions
diff --git a/requirements.txt b/requirements.txt
index 5d84d30..dae6d6e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,7 @@ django-mptt
 django-pagedown<2
 django-registration-redux
 django-reversion
+django-reversion-compare
 django-social-share
 -e git://github.com/DMOJ/django-sortedm2m.git#egg=django-sortedm2m
 django-impersonate