diff --git a/app.py b/app.py
index 562f127..80d8ad9 100644
--- a/app.py
+++ b/app.py
@@ -60,7 +60,7 @@ def page_posts_from_db(target_post_id=None):
     
     postos = db.collection('posts')
     postos = [ p for p in postos]
-    postos  = sorted(postos, key=lambda posto: posto['_key'], reverse=False)
+    postos  = sorted(postos, key=lambda posto: int(posto['_key']), reverse=False)
     
     if not target_post_id:
        target_post_id = postos[0]['_key']
@@ -73,7 +73,7 @@ def answer_post(target_post_id):
     
     postos = db.collection('posts')
     postos = [ p for p in postos]
-    postos  = sorted(postos, key=lambda posto: posto['_key'], reverse=False)
+    postos  = sorted(postos, key=lambda posto: int(posto['_key']), reverse=False)
     
     if not target_post_id:
        target_post_id = postos[0]['_key']
@@ -144,8 +144,8 @@ def post_to_post(post_key):
             UPDATE ppp WITH { answers_list : [ children[*]._key, children[*].answers_num, children[*].children_num ]  } IN posts""" 
     )  
 
-    postos = db.collection('posts') 
-    postos  = sorted(postos, key=lambda posto: posto['_key'], reverse=False)
+    postos = db.collection('posts')  
+    postos  = sorted(postos, key=lambda posto: int(posto['_key']), reverse=False)
 
     return render_template("i-posts.html", host_id=docker_short_id, postos=postos)