diff --git a/bin/omarchy-upgrade-to-quattro b/bin/omarchy-upgrade-to-quattro
index e28da697..fd8151ba 100755
--- a/bin/omarchy-upgrade-to-quattro
+++ b/bin/omarchy-upgrade-to-quattro
@@ -1314,7 +1314,7 @@ apply_system_transition() {
 
   as_root install -d -m 0777 /etc/chromium/policies/managed
   as_root install -d -m 0755 /usr/lib/chromium
-  printf '%s\n' '{"browser":{"theme":{"color_scheme":0,"color_scheme2":0}}}' | \
+  printf '%s\n' '{"distribution":{"require_eula":false},"browser":{"theme":{"color_scheme":0,"color_scheme2":0}}}' | \
     as_root tee /usr/lib/chromium/initial_preferences >/dev/null
 
   # Deliberately do NOT add the user to the docker group. That group is
diff --git a/install/config/theme-system.sh b/install/config/theme-system.sh
index 2902e1cd..c8272486 100644
--- a/install/config/theme-system.sh
+++ b/install/config/theme-system.sh
@@ -10,7 +10,7 @@ gtk-update-icon-cache /usr/share/icons/Yaru &>/dev/null || true
 mkdir -p /etc/chromium/policies/managed
 chmod a+rw /etc/chromium/policies/managed
 
-# Default Chromium to follow system appearance ("device") instead of dark
+# Set Chromium first-run defaults
 mkdir -p /usr/lib/chromium
-echo '{"browser":{"theme":{"color_scheme":0,"color_scheme2":0}}}' > \
+echo '{"distribution":{"require_eula":false},"browser":{"theme":{"color_scheme":0,"color_scheme2":0}}}' > \
   /usr/lib/chromium/initial_preferences