diff --git a/taiga/projects/migrations/0033_auto__add_field_project_tags_colors.py b/taiga/projects/migrations/0033_auto__add_field_project_tags_colors.py
index 45d5c40a..453d8d1d 100644
--- a/taiga/projects/migrations/0033_auto__add_field_project_tags_colors.py
+++ b/taiga/projects/migrations/0033_auto__add_field_project_tags_colors.py
@@ -10,7 +10,7 @@ class Migration(SchemaMigration):
     def forwards(self, orm):
         # Adding field 'Project.tags_colors'
         db.add_column('projects_project', 'tags_colors',
-                      self.gf('djorm_pgarray.fields.TextArrayField')(blank=True, default={}, dimension=2, dbtype='text'),
+                      self.gf('djorm_pgarray.fields.TextArrayField')(blank=True, default=[], dimension=2, dbtype='text'),
                       keep_default=False)
 
 
@@ -183,4 +183,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['projects']
\ No newline at end of file
+    complete_apps = ['projects']