diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
index a1c28fa59..f06f591c4 100644
--- a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
+++ b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
@@ -508,6 +508,30 @@ extends TestCase {
         }
         assertTrue("No Exceptions till here!", true);
     }
+
+	public void test28031() {
+        HSSFWorkbook wb = new HSSFWorkbook();
+        HSSFSheet sheet = wb.createSheet();
+        wb.setSheetName(0, "Sheet1");
+
+        HSSFRow row = sheet.createRow(0);
+        HSSFCell cell = row.createCell((short)0);
+        String formulaText =
+			"IF(ROUND(A2*B2*C2,2)>ROUND(B2*D2,2),ROUND(A2*B2*C2,2),ROUND(B2*D2,2))";
+        cell.setCellFormula(formulaText);
+
+        assertEquals(formulaText, cell.getCellFormula());
+        if(false) {
+            // this file can be inspected manually
+            try {
+                OutputStream os = new FileOutputStream("/tmp/output28031.xls");
+                wb.write(os);
+                os.close();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
 	
 	public void test33082() throws java.io.IOException {
 	       String filename = System.getProperty("HSSF.testdata.path");