diff --git a/core/models.py b/core/models.py
index b817a947..5ba9d66c 100644
--- a/core/models.py
+++ b/core/models.py
@@ -5,7 +5,7 @@ from django.conf import settings
 from django.core.cache import cache
 from django.core.exceptions import ValidationError
 from django.db import models
-from django.template.defaultfilters import slugify
+from django.utils.text import slugify
 from django.utils import timezone
 from django.utils.text import format_lazy
 from django.utils.translation import gettext_lazy as _
@@ -80,6 +80,7 @@ class Child(models.Model):
         verbose_name=_('Birth date')
     )
     slug = models.SlugField(
+        allow_unicode=True,
         blank=False,
         editable=False,
         max_length=100,
@@ -107,7 +108,7 @@ class Child(models.Model):
         return '{} {}'.format(self.first_name, self.last_name)
 
     def save(self, *args, **kwargs):
-        self.slug = slugify(self)
+        self.slug = slugify(self, allow_unicode=True)
         super(Child, self).save(*args, **kwargs)
         cache.set(self.cache_key_count, Child.objects.count(), None)
 
diff --git a/core/urls.py b/core/urls.py
index a8790b64..7c03e44f 100644
--- a/core/urls.py
+++ b/core/urls.py
@@ -8,14 +8,14 @@ app_name = 'core'
 urlpatterns = [
     path('children/', views.ChildList.as_view(), name='child-list'),
     path('children/add/', views.ChildAdd.as_view(), name='child-add'),
-    path('children/<slug:slug>/', views.ChildDetail.as_view(), name='child'),
+    path('children/<str:slug>/', views.ChildDetail.as_view(), name='child'),
     path(
-        'children/<slug:slug>/edit/',
+        'children/<str:slug>/edit/',
         views.ChildUpdate.as_view(),
         name='child-update'
     ),
     path(
-        'children/<slug:slug>/delete/',
+        'children/<str:slug>/delete/',
         views.ChildDelete.as_view(),
         name='child-delete'
     ),
diff --git a/dashboard/urls.py b/dashboard/urls.py
index 75b63291..4057d8c1 100644
--- a/dashboard/urls.py
+++ b/dashboard/urls.py
@@ -8,7 +8,7 @@ app_name = 'dashboard'
 urlpatterns = [
     path('dashboard/', views.Dashboard.as_view(), name='dashboard'),
     path(
-        'children/<slug:slug>/dashboard/',
+        'children/<str:slug>/dashboard/',
         views.ChildDashboard.as_view(),
         name='dashboard-child'
     ),
diff --git a/reports/urls.py b/reports/urls.py
index c5e4e2dc..30cb6947 100644
--- a/reports/urls.py
+++ b/reports/urls.py
@@ -7,42 +7,42 @@ app_name = 'reports'
 
 urlpatterns = [
     path(
-        'children/<slug:slug>/reports/changes/amounts/',
+        'children/<str:slug>/reports/changes/amounts/',
         views.DiaperChangeAmounts.as_view(),
         name='report-diaperchange-amounts-child'
     ),
     path(
-        'children/<slug:slug>/reports/changes/lifetimes/',
+        'children/<str:slug>/reports/changes/lifetimes/',
         views.DiaperChangeLifetimesChildReport.as_view(),
         name='report-diaperchange-lifetimes-child'
     ),
     path(
-        'children/<slug:slug>/reports/changes/types/',
+        'children/<str:slug>/reports/changes/types/',
         views.DiaperChangeTypesChildReport.as_view(),
         name='report-diaperchange-types-child'
     ),
     path(
-        'children/<slug:slug>/reports/feeding/amounts/',
+        'children/<str:slug>/reports/feeding/amounts/',
         views.FeedingAmountsChildReport.as_view(),
         name='report-feeding-amounts-child'
     ),
     path(
-        'children/<slug:slug>/reports/feeding/duration/',
+        'children/<str:slug>/reports/feeding/duration/',
         views.FeedingDurationChildReport.as_view(),
         name='report-feeding-duration-child'
     ),
     path(
-        'children/<slug:slug>/reports/sleep/pattern/',
+        'children/<str:slug>/reports/sleep/pattern/',
         views.SleepPatternChildReport.as_view(),
         name='report-sleep-pattern-child'
     ),
     path(
-        'children/<slug:slug>/reports/sleep/totals/',
+        'children/<str:slug>/reports/sleep/totals/',
         views.SleepTotalsChildReport.as_view(),
         name='report-sleep-totals-child'
     ),
     path(
-        'children/<slug:slug>/reports/weight/weight/',
+        'children/<str:slug>/reports/weight/weight/',
         views.WeightWeightChildReport.as_view(),
         name='report-weight-weight-child'
     ),