diff --git a/lib/sablon/document_object_model/relationships.rb b/lib/sablon/document_object_model/relationships.rb
index 87e53dbc..54e9eea7 100644
--- a/lib/sablon/document_object_model/relationships.rb
+++ b/lib/sablon/document_object_model/relationships.rb
@@ -104,7 +104,7 @@ def next_rid
       # Builds the relationship WordML tag and returns it
       def relationship_tag(rel_attr)
         attr_str = rel_attr.map { |k, v| %(#{k}="#{v}") }.join(' ')
-        "<Relationship #{attr_str}/>"
+        "<Relationship #{attr_str}/>".gsub(/&(?!amp;)/, '&amp;')
       end
     end
   end
diff --git a/test/fixtures/html_sample.docx b/test/fixtures/html_sample.docx
index 8e045cc0..d79af65c 100644
Binary files a/test/fixtures/html_sample.docx and b/test/fixtures/html_sample.docx differ
diff --git a/test/fixtures/insertion_template.docx b/test/fixtures/insertion_template.docx
index 874f8918..75fcb28a 100644
Binary files a/test/fixtures/insertion_template.docx and b/test/fixtures/insertion_template.docx differ
diff --git a/test/html_test.rb b/test/html_test.rb
index 6b0fdbff..36f693b0 100644
--- a/test/html_test.rb
+++ b/test/html_test.rb
@@ -20,7 +20,8 @@ def test_generate_document_from_template_with_styles_and_html
       'html:content' => content,
       inline_content: {
         'html:should' => '<b><span style="color: #123456">should</span></b>',
-        'html:github' => '<a href="http://www.github.com" style="color: #0000FF">GitHub</a>'
+        'html:github' => '<a href="http://www.github.com" style="color: #0000FF">GitHub</a>',
+        'html:google' => '<a href="https://www.google.com.eg/?gfe_rd=cr&dcr=0&amp;ei=mSKcWqXgIIKZX9zomrAL" style="color: #0000FF">Google</a>'
       }
     }
     template.render_to_file output_path, context