diff --git a/product/ERP5/tests/testERP5WebWithDms.py b/product/ERP5/tests/testERP5WebWithDms.py
index 3151f2fa8485b663927e66639f85672faea33580..139e93f26a3d0f8699859fef4fb8787afe94f81f 100644
--- a/product/ERP5/tests/testERP5WebWithDms.py
+++ b/product/ERP5/tests/testERP5WebWithDms.py
@@ -589,7 +589,7 @@ class TestERP5WebWithDms(ERP5TypeTestCase, ZopeTestCase.Functional):
       # first, preview the draft in its physical location (in document module)
       response = self.publish('%s/asEntireHTML' % document.absolute_url_path(),
                               credential)
-      self.assertEquals(response.getHeader('content-type'), 'text/html')
+      self.assertTrue(response.getHeader('content-type').startswith('text/html'))
       html = response.getBody()
       self.assertTrue('<img' in html, html)
 
@@ -614,7 +614,7 @@ class TestERP5WebWithDms(ERP5TypeTestCase, ZopeTestCase.Functional):
 
     response = self.publish('%s/%s/asEntireHTML' % (
               website.absolute_url_path(), document_reference))
-    self.assertEquals(response.getHeader('content-type'), 'text/html')
+    self.assertTrue(response.getHeader('content-type').startswith('text/html'))
     html = response.getBody()
     self.assertTrue('<img' in html, html)