diff --git a/cookbook/migrations/0147_auto_20210813_1829.py b/cookbook/migrations/0147_auto_20210813_1829.py
new file mode 100644
index 000000000..3d8ee977c
--- /dev/null
+++ b/cookbook/migrations/0147_auto_20210813_1829.py
@@ -0,0 +1,66 @@
+# Generated by Django 3.2.5 on 2021-08-13 16:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0146_keyword_to_tree'),
+    ]
+
+    operations = [
+        migrations.RemoveConstraint(
+            model_name='keyword',
+            name='unique_name_per_space',
+        ),
+        migrations.AlterField(
+            model_name='userpreference',
+            name='use_fractions',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AlterUniqueTogether(
+            name='food',
+            unique_together=set(),
+        ),
+        migrations.AlterUniqueTogether(
+            name='recipebookentry',
+            unique_together=set(),
+        ),
+        migrations.AlterUniqueTogether(
+            name='supermarket',
+            unique_together=set(),
+        ),
+        migrations.AlterUniqueTogether(
+            name='supermarketcategory',
+            unique_together=set(),
+        ),
+        migrations.AlterUniqueTogether(
+            name='unit',
+            unique_together=set(),
+        ),
+        migrations.AddConstraint(
+            model_name='food',
+            constraint=models.UniqueConstraint(fields=('space', 'name'), name='f_unique_name_per_space'),
+        ),
+        migrations.AddConstraint(
+            model_name='keyword',
+            constraint=models.UniqueConstraint(fields=('space', 'name'), name='kw_unique_name_per_space'),
+        ),
+        migrations.AddConstraint(
+            model_name='recipebookentry',
+            constraint=models.UniqueConstraint(fields=('recipe', 'book'), name='rbe_unique_name_per_space'),
+        ),
+        migrations.AddConstraint(
+            model_name='supermarket',
+            constraint=models.UniqueConstraint(fields=('space', 'name'), name='sm_unique_name_per_space'),
+        ),
+        migrations.AddConstraint(
+            model_name='supermarketcategory',
+            constraint=models.UniqueConstraint(fields=('space', 'name'), name='smc_unique_name_per_space'),
+        ),
+        migrations.AddConstraint(
+            model_name='unit',
+            constraint=models.UniqueConstraint(fields=('space', 'name'), name='u_unique_name_per_space'),
+        ),
+    ]
diff --git a/cookbook/models.py b/cookbook/models.py
index 2197e36b7..4700d6baf 100644
--- a/cookbook/models.py
+++ b/cookbook/models.py
@@ -229,7 +229,7 @@ class SupermarketCategory(models.Model, PermissionModelMixin):
 
     class Meta:
         constraints = [
-            models.UniqueConstraint(fields=['space', 'name'], name='unique_name_per_space')
+            models.UniqueConstraint(fields=['space', 'name'], name='smc_unique_name_per_space')
         ]
 
 
@@ -246,7 +246,7 @@ class Supermarket(models.Model, PermissionModelMixin):
 
     class Meta:
         constraints = [
-            models.UniqueConstraint(fields=['space', 'name'], name='unique_name_per_space')
+            models.UniqueConstraint(fields=['space', 'name'], name='sm_unique_name_per_space')
         ]
 
 
@@ -345,7 +345,7 @@ class Keyword(ExportModelOperationsMixin('keyword'), MP_Node, PermissionModelMix
 
     class Meta:
         constraints = [
-            models.UniqueConstraint(fields=['space', 'name'], name='unique_name_per_space')
+            models.UniqueConstraint(fields=['space', 'name'], name='kw_unique_name_per_space')
         ]
         indexes = (Index(fields=['id', 'name']),)
 
@@ -362,7 +362,7 @@ class Unit(ExportModelOperationsMixin('unit'), models.Model, PermissionModelMixi
 
     class Meta:
         constraints = [
-            models.UniqueConstraint(fields=['space', 'name'], name='unique_name_per_space')
+            models.UniqueConstraint(fields=['space', 'name'], name='u_unique_name_per_space')
         ]
 
 
@@ -381,7 +381,7 @@ class Food(ExportModelOperationsMixin('food'), models.Model, PermissionModelMixi
 
     class Meta:
         constraints = [
-            models.UniqueConstraint(fields=['space', 'name'], name='unique_name_per_space')
+            models.UniqueConstraint(fields=['space', 'name'], name='f_unique_name_per_space')
         ]
         indexes = (Index(fields=['id', 'name']),)
 
@@ -567,7 +567,7 @@ class RecipeBookEntry(ExportModelOperationsMixin('book_entry'), models.Model, Pe
 
     class Meta:
         constraints = [
-            models.UniqueConstraint(fields=['recipe', 'book'], name='unique_name_per_space')
+            models.UniqueConstraint(fields=['recipe', 'book'], name='rbe_unique_name_per_space')
         ]