diff --git a/app/models/account/seedeable.rb b/app/models/account/seedeable.rb
index df33c2bab..cd8bea1fe 100644
--- a/app/models/account/seedeable.rb
+++ b/app/models/account/seedeable.rb
@@ -2,6 +2,6 @@ module Account::Seedeable
   extend ActiveSupport::Concern
 
   def setup_customer_template
-    Account::Seeder.new(self, users.active.order(created_at: :asc).first).seed
+    Account::Seeder.new(self, users.active.first).seed
   end
 end
diff --git a/app/models/account/seeder.rb b/app/models/account/seeder.rb
index 467d610cf..28835041c 100644
--- a/app/models/account/seeder.rb
+++ b/app/models/account/seeder.rb
@@ -21,7 +21,7 @@ class Account::Seeder
 
   private
     def session
-      creator.identity.sessions.order(created_at: :desc).first
+      creator.identity.sessions.last
     end
 
     def populate
diff --git a/app/models/concerns/uuid_primary_key.rb b/app/models/concerns/uuid_primary_key.rb
index b990a63cd..6f5ddf9a9 100644
--- a/app/models/concerns/uuid_primary_key.rb
+++ b/app/models/concerns/uuid_primary_key.rb
@@ -13,7 +13,9 @@ module UuidPrimaryKey
   def self.generate_fixture_uuid(label)
     # Generate deterministic UUIDv7 for fixtures that sorts by fixture ID
     # This allows .first/.last to work as expected in tests
-    fixture_int = Digest::MD5.hexdigest("fixtures#{label}").hex % (2**31)
+    # Use the same CRC32 algorithm as Rails' default fixture ID generation
+    # so that UUIDs sort in the same order as integer IDs
+    fixture_int = Zlib.crc32("fixtures/#{label}") % (2**30 - 1)
 
     # Use fixture_int as second offset from a fixed base time (1 year before 2025-01-01)
     # This ensures all fixtures are in the past, and new test records are newest
diff --git a/test/fixtures/sessions.yml b/test/fixtures/sessions.yml
index 7cb1e8415..a062f53fd 100644
--- a/test/fixtures/sessions.yml
+++ b/test/fixtures/sessions.yml
@@ -3,3 +3,9 @@ david:
 
 kevin:
   identity: kevin
+
+jz:
+  identity: jz
+
+jason:
+  identity: jason