diff --git a/lib/fbe/same.rb b/lib/fbe/same.rb
index 538a1fc2..7a1d40c1 100644
--- a/lib/fbe/same.rb
+++ b/lib/fbe/same.rb
@@ -15,5 +15,5 @@
 # @param [Hash] attrs The attributes the caller asked for
 # @return [Boolean] TRUE if every Time attribute is in the fact
 def Fbe.same?(fact, attrs)
-  attrs.all? { |k, v| !v.is_a?(Time) || [fact.public_send(k)].flatten.include?(v) }
+  attrs.all? { |k, v| !v.is_a?(Time) || fact[k.to_s]&.include?(v) }
 end
diff --git a/test/fbe/test_if_absent.rb b/test/fbe/test_if_absent.rb
index 08654c2a..da4833f8 100644
--- a/test/fbe/test_if_absent.rb
+++ b/test/fbe/test_if_absent.rb
@@ -147,4 +147,19 @@ def test_raises_without_block
     assert_equal('A block is required by if_absent', error.message)
     assert_equal(0, fb.size, 'if_absent inserted a fact without a block')
   end
+
+  def test_dont_duplicate_fact_whose_time_is_not_the_first_value
+    seed = Random.new_seed
+    hour = Random.new(seed).rand(0..20)
+    fb = Factbase.new
+    g = fb.insert
+    g.what = 'ëvent'
+    g.when = Time.utc(2025, 1, 1, hour)
+    g.when = Time.utc(2025, 1, 1, hour + 1)
+    Fbe.if_absent(fb:) do |f|
+      f.what = 'ëvent'
+      f.when = Time.utc(2025, 1, 1, hour + 1)
+    end
+    assert_equal(1, fb.size, "if_absent created a duplicate, seed #{seed}")
+  end
 end
diff --git a/test/fbe/test_just_one.rb b/test/fbe/test_just_one.rb
index 7aaac15a..cd684da5 100644
--- a/test/fbe/test_just_one.rb
+++ b/test/fbe/test_just_one.rb
@@ -88,4 +88,19 @@ def test_dont_insert_fact_without_block
     end
     assert_equal(0, fb.size, 'just_one inserted a fact without a block')
   end
+
+  def test_dont_duplicate_fact_whose_time_is_not_the_first_value
+    seed = Random.new_seed
+    hour = Random.new(seed).rand(0..20)
+    fb = Factbase.new
+    g = fb.insert
+    g.what = 'ëvent'
+    g.when = Time.utc(2025, 1, 1, hour)
+    g.when = Time.utc(2025, 1, 1, hour + 1)
+    Fbe.just_one(fb:) do |f|
+      f.what = 'ëvent'
+      f.when = Time.utc(2025, 1, 1, hour + 1)
+    end
+    assert_equal(1, fb.size, "just_one created a duplicate, seed #{seed}")
+  end
 end
diff --git a/test/fbe/test_same.rb b/test/fbe/test_same.rb
new file mode 100644
index 00000000..e4db6a69
--- /dev/null
+++ b/test/fbe/test_same.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+# SPDX-FileCopyrightText: Copyright (c) 2024-2026 Zerocracy
+# SPDX-License-Identifier: MIT
+
+require 'factbase'
+require_relative '../../lib/fbe/same'
+require_relative '../test__helper'
+
+# Test.
+# Author:: Yegor Bugayenko (yegor256@gmail.com)
+# Copyright:: Copyright (c) 2024-2026 Zerocracy
+# License:: MIT
+class TestSame < Fbe::Test
+  def test_finds_time_that_is_not_the_first_value
+    seed = Random.new_seed
+    hour = Random.new(seed).rand(0..20)
+    f = Factbase.new.insert
+    f.when = Time.utc(2025, 1, 1, hour)
+    f.when = Time.utc(2025, 1, 1, hour + 1)
+    assert(Fbe.same?(f, { when: Time.utc(2025, 1, 1, hour + 1) }), "second time of the fact is not seen, seed #{seed}")
+  end
+
+  def test_refuses_time_that_is_in_no_value
+    seed = Random.new_seed
+    hour = Random.new(seed).rand(0..20)
+    f = Factbase.new.insert
+    f.when = Time.utc(2025, 1, 1, hour)
+    f.when = Time.utc(2025, 1, 1, hour + 1)
+    refute(Fbe.same?(f, { when: Time.utc(2025, 1, 1, hour + 2) }), "absent time is taken as present, seed #{seed}")
+  end
+end