diff --git a/person.py b/person.py
index dd4ffd9..337a840 100644
--- a/person.py
+++ b/person.py
@@ -115,7 +115,7 @@ def new_person():
             db.session.add(person)
             db.session.commit()
             st.SetMessage( "Created new Person ({})".format(person.tag) )
-            return redirect( f'/person/{person.id}' )
+            return redirect( url_for( 'person', id=person.id) )
         except SQLAlchemyError as e:
             st.SetMessage( f"<b>Failed to add Person:</b>&nbsp;{e.orig}", "danger" )
             return render_template("person.html", person=person, form=form, page_title = page_title)
@@ -139,7 +139,7 @@ def person(id):
                 db.session.execute( f"delete from person_refimg_link where person_id = {id}" )
                 Person.query.filter(Person.id==id).delete()
                 db.session.commit()
-                return redirect( f'/persons' )
+                return redirect( url_for( 'persons' ) )
             elif request.form and form.validate():
                 new_refs=[]
                 for ref_img in person.refimg:
@@ -158,7 +158,7 @@ def person(id):
                     st.AppendMessage(" To: ({}, {}, {})".format(person.tag, person.firstname, person.surname) )
                 db.session.add(person)
             db.session.commit()
-            return redirect( f'/person/{person.id}' )
+            return redirect( url_for( 'person', id=person.id) )
         except SQLAlchemyError as e:
             st.SetMessage( f"<b>Failed to modify Person:</b>&nbsp;{e}", "danger" )
             return render_template("person.html", form=form, page_title=page_title)