diff --git a/lib/roo/excelx/sheet_doc.rb b/lib/roo/excelx/sheet_doc.rb
index 6da4c26a..4a91da32 100755
--- a/lib/roo/excelx/sheet_doc.rb
+++ b/lib/roo/excelx/sheet_doc.rb
@@ -101,12 +101,7 @@ def cell_from_xml(cell_xml, hyperlink, coordinate, empty_cell=true)
         cell_xml_children.each do |cell|
           case cell.name
           when 'is'
-            content = +""
-            cell.children.each do |inline_str|
-              if inline_str.name == 't'
-                content << inline_str.content
-              end
-            end
+            content = cell.search('t').map(&:content).join
             unless content.empty?
               return Excelx::Cell.cell_class(:string).new(content, formula, style, hyperlink, coordinate)
             end
diff --git a/test/files/richtext_example.xlsx b/test/files/richtext_example.xlsx
new file mode 100644
index 00000000..48dc1ee6
Binary files /dev/null and b/test/files/richtext_example.xlsx differ
diff --git a/test/roo/test_excelx.rb b/test/roo/test_excelx.rb
index 9d460afe..2c25476b 100644
--- a/test/roo/test_excelx.rb
+++ b/test/roo/test_excelx.rb
@@ -320,6 +320,13 @@ def test_base_dates_in_excelx
     end
   end
 
+  def test_parsing_xlsx_with_richtext
+    xlsx = roo_class.new(File.join(TESTDIR, "richtext_example.xlsx"))
+
+    assert_equal "Example richtext", xlsx.cell("a", 1)
+    assert_equal "Example richtext", xlsx.cell("b", 1)
+  end
+
   def roo_class
     Roo::Excelx
   end