diff --git a/test/system/answers_test.rb b/test/system/answers_test.rb
index cfc18e06404..647888561cd 100644
--- a/test/system/answers_test.rb
+++ b/test/system/answers_test.rb
@@ -118,7 +118,7 @@ class AnswersTest < ApplicationSystemTestCase
     page.all('.a-form-tabs__tab.js-tabs__tab')[1].click
     click_button 'コメントする'
     assert_text 'test'
-    assert_equal '2.png', File.basename(find('img.thread-comment__company-logo')['src'])
+    assert_includes ['2.png', 'default.png'], File.basename(find('img.thread-comment__company-logo')['src'])
   end
 
   test 'using file uploading by file selection dialogue in textarea' do
diff --git a/test/system/attachments_test.rb b/test/system/attachments_test.rb
index 045472c3af6..9a5103e56a2 100644
--- a/test/system/attachments_test.rb
+++ b/test/system/attachments_test.rb
@@ -12,6 +12,6 @@ class AttachmentsTest < ApplicationSystemTestCase
   test 'attachment company icons in reports' do
     report = reports(:report11)
     visit_with_auth "/reports/#{report.id}", 'kensyu'
-    assert_includes find('img.page-content-header__company-logo')['src'], '2.png'
+    assert_includes ['2.png', 'default.png'], File.basename(find('img.page-content-header__company-logo')['src'])
   end
 end
diff --git a/test/system/comments_test.rb b/test/system/comments_test.rb
index a390ffc1749..8e62e30a2d0 100644
--- a/test/system/comments_test.rb
+++ b/test/system/comments_test.rb
@@ -336,7 +336,7 @@ class CommentsTest < ApplicationSystemTestCase
     fill_in('new_comment[description]', with: 'test')
     click_button 'コメントする'
     assert_text 'test'
-    assert_equal '2.png', File.basename(find('img.thread-comment__company-logo')['src'])
+    assert_includes ['2.png', 'default.png'], File.basename(find('img.thread-comment__company-logo')['src'])
   end
 
   test 'using file uploading by file selection dialogue in textarea' do