diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dfc7c2..bab8246 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # v0.5.0
 - Add German translation: Thank you [Kaia](https://shitposter.club/users/kaia)!
+- Fix not being able to edit ammo group when fully used up
 
 # v0.4.1
 - Fix button and tag text wrapping
diff --git a/lib/cannery/ammo/ammo_group.ex b/lib/cannery/ammo/ammo_group.ex
index 97231ae..9e9954b 100644
--- a/lib/cannery/ammo/ammo_group.ex
+++ b/lib/cannery/ammo/ammo_group.ex
@@ -62,7 +62,7 @@ defmodule Cannery.Ammo.AmmoGroup do
   def update_changeset(ammo_group, attrs) do
     ammo_group
     |> cast(attrs, [:count, :price_paid, :notes, :staged, :ammo_type_id, :container_id])
-    |> validate_number(:count, greater_than: 0)
+    |> validate_number(:count, greater_than_or_equal_to: 0)
     |> validate_required([:count, :staged, :ammo_type_id, :container_id, :user_id])
   end
 
diff --git a/lib/cannery_web/live/ammo_group_live/form_component.html.heex b/lib/cannery_web/live/ammo_group_live/form_component.html.heex
index 3fe8bf2..45afcdc 100644
--- a/lib/cannery_web/live/ammo_group_live/form_component.html.heex
+++ b/lib/cannery_web/live/ammo_group_live/form_component.html.heex
@@ -27,7 +27,7 @@
     <%= label(f, :count, gettext("Count"), class: "title text-lg text-primary-600") %>
     <%= number_input(f, :count,
       class: "text-center col-span-2 input input-primary",
-      min: 1
+      min: 0
     ) %>
     <%= error_tag(f, :count, "col-span-3 text-center") %>