diff --git a/src/testcases/org/apache/poi/hssf/data/SimpleWithChoose.xls b/src/testcases/org/apache/poi/hssf/data/SimpleWithChoose.xls
new file mode 100755
index 0000000000..96a8e743a8
Binary files /dev/null and b/src/testcases/org/apache/poi/hssf/data/SimpleWithChoose.xls differ
diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
index d0dc7203e1..824715bf24 100644
--- a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
+++ b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
@@ -1008,9 +1008,27 @@ extends TestCase {
 
         wb = new HSSFWorkbook(new ByteArrayInputStream(out.toByteArray()));
         assertTrue("No Exceptions while reading file", true);
-
     }
 
+	/**
+	 * Bug 42618: RecordFormatException reading a file containing
+	 * 	=CHOOSE(2,A2,A3,A4)
+	 */
+    public void test42618() throws Exception {
+        FileInputStream in = new FileInputStream(new File(cwd, "SimpleWithChoose.xls"));
+        HSSFWorkbook wb = new HSSFWorkbook(in);
+        in.close();
+
+        assertTrue("No Exceptions while reading file", true);
+
+        //serialize and read again
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        wb.write(out);
+        out.close();
+
+        wb = new HSSFWorkbook(new ByteArrayInputStream(out.toByteArray()));
+        assertTrue("No Exceptions while reading file", true);
+    }
 }