diff --git a/spec/ameba/formatter/todo_formatter_spec.cr b/spec/ameba/formatter/todo_formatter_spec.cr
index 6cbe034a..a352bab8 100644
--- a/spec/ameba/formatter/todo_formatter_spec.cr
+++ b/spec/ameba/formatter/todo_formatter_spec.cr
@@ -31,6 +31,10 @@ module Ameba
         create_todo.should contain "# This configuration file was generated by"
       end
 
+      it "creates a todo with UTC time" do
+        create_todo.should match /\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2} UTC/
+      end
+
       it "creates a todo with version" do
         create_todo.should contain "Ameba version #{VERSION}"
       end
diff --git a/src/ameba/formatter/todo_formatter.cr b/src/ameba/formatter/todo_formatter.cr
index f49a5f2b..857b42b6 100644
--- a/src/ameba/formatter/todo_formatter.cr
+++ b/src/ameba/formatter/todo_formatter.cr
@@ -41,7 +41,7 @@ module Ameba::Formatter
     private def header
       <<-HEADER
         # This configuration file was generated by `ameba --gen-config`
-        # on #{Time.now} using Ameba version #{VERSION}.
+        # on #{Time.utc_now} using Ameba version #{VERSION}.
         # The point is for the user to remove these configuration records
         # one by one as the reported problems are removed from the code base.