diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09bcd948..7fd00697 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Flatpak
   - some updates not being displayed when there are new required runtimes for installed Flatpaks
   - not displaying new required runtimes as updates (requires Flatpak >= 1.12)
+  - upgrade: informing the download size as the additional installation size
 
 - UI
   - not displaying the right unit symbol for byte based sizes (kB, MB, TB, ...) [#250](https://github.com/vinifmor/bauh/issues/250)
diff --git a/bauh/gems/flatpak/controller.py b/bauh/gems/flatpak/controller.py
index c88fa10f..53dbaac8 100644
--- a/bauh/gems/flatpak/controller.py
+++ b/bauh/gems/flatpak/controller.py
@@ -701,7 +701,7 @@ class FlatpakManager(SoftwareManager, SettingsController):
                     for p in apps_by_install[0]:
                         p.size = sizes.get(str(p.id))
 
-        to_update = [UpgradeRequirement(pkg=p, extra_size=p.size, required_size=p.size) for p in self.sort_update_order(pkgs)]
+        to_update = [UpgradeRequirement(pkg=p, extra_size=0, required_size=p.size) for p in self.sort_update_order(pkgs)]
         return UpgradeRequirements(None, None, to_update, [])
 
     def sort_update_order(self, pkgs: List[FlatpakApplication]) -> List[FlatpakApplication]: