diff --git a/files.py b/files.py
index da699db..eb53ab5 100644
--- a/files.py
+++ b/files.py
@@ -39,7 +39,7 @@ class EntryDirLink(db.Model):
 class Dir(db.Model):
     __tablename__ = "dir"
     eid = db.Column(db.Integer, db.ForeignKey("entry.id"), primary_key=True )
-    path_prefix = db.Column(db.String, unique=False, nullable=False )
+    path_prefix = db.Column(db.String, unique=True, nullable=False )
 
     def __repr__(self):
         return "<eid: {}, path_prefix: {}>".format(self.eid, self.path_prefix)
@@ -47,7 +47,7 @@ class Dir(db.Model):
 class Entry(db.Model):
     __tablename__ = "entry"
     id = db.Column(db.Integer, db.Sequence('file_id_seq'), primary_key=True )
-    name = db.Column(db.String, unique=True, nullable=False )
+    name = db.Column(db.String, unique=False, nullable=False )
     type_id = db.Column(db.Integer, db.ForeignKey("file_type.id"))
     type = db.relationship("FileType")
     dir_details = db.relationship( "Dir")