diff --git a/testcases/ooxml/XWPF/TestXWPFBugs.cs b/testcases/ooxml/XWPF/TestXWPFBugs.cs
index c92f9f8fe..ffbc1d28b 100644
--- a/testcases/ooxml/XWPF/TestXWPFBugs.cs
+++ b/testcases/ooxml/XWPF/TestXWPFBugs.cs
@@ -315,6 +315,11 @@ public void Bug66988()
                 ClassicAssert.AreEqual("FooBar", cell.GetText());
             }
         }
+        [Test]
+        public void Bug1712()
+        {
+            using XWPFDocument doc = XWPFTestDataSamples.OpenSampleDocument("smallFracOnlyOffice.docx");
+        }
     }
 }
 
diff --git a/testcases/test-data/document/smallFracOnlyOffice.docx b/testcases/test-data/document/smallFracOnlyOffice.docx
new file mode 100644
index 000000000..4c67d2e82
Binary files /dev/null and b/testcases/test-data/document/smallFracOnlyOffice.docx differ