diff --git a/webshell/tests/viewer/samples/test8.html b/webshell/tests/viewer/samples/test8.html
index 95b16defe42a..a9406b284edc 100644
--- a/webshell/tests/viewer/samples/test8.html
+++ b/webshell/tests/viewer/samples/test8.html
@@ -36,7 +36,7 @@ SELECT#select1 {
 </FIELDSET>
 <BR><BR>
 <div align=center><bold><font size=2>html 4 button</font></bold></div>
-<BUTTON type="submit" style="background-image:url('bg.jpg');">
+<BUTTON type=submit style="bg.jpg">
 <font size=4><B>This button contains a table
 <table border=3><TR border=1><TD>CELL 1</TD><TD>CELL 2<TD></TR>
        <TR><TD>CELL 3</TD><TD>CELL 4</TD></TR></table>