diff --git a/amadeus/settings.py b/amadeus/settings.py
index 30acb01..aae1913 100644
--- a/amadeus/settings.py
+++ b/amadeus/settings.py
@@ -42,6 +42,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django.contrib.postgres',
 
     'widget_tweaks',
     'rolepermissions',
diff --git a/topics/forms.py b/topics/forms.py
index 553db72..5608f26 100644
--- a/topics/forms.py
+++ b/topics/forms.py
@@ -18,7 +18,9 @@ class TopicForm(forms.ModelForm):
 		name = self.cleaned_data.get('name', '')
 		repo = self.cleaned_data.get('repository', False)
 		
-		if len(self.subject.topic_subject.filter(name = name)) > 0:
+		same_name = len(self.subject.topic_subject.filter(name__unaccent__iexact = name))
+		
+		if same_name > 0:
 			if repo:
 				self._errors['name'] = [_('This subject already has a repository')]
 			else:
diff --git a/topics/migrations/0003_auto_20170116_2101.py b/topics/migrations/0003_auto_20170116_2101.py
new file mode 100644
index 0000000..fd5517f
--- /dev/null
+++ b/topics/migrations/0003_auto_20170116_2101.py
@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2017-01-17 00:01
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+from django.contrib.postgres.operations import UnaccentExtension
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('topics', '0002_auto_20170116_1841'),
+    ]
+
+    operations = [
+        UnaccentExtension()
+    ]
\ No newline at end of file
--
libgit2 0.21.2