diff --git a/luci-app-oaf/luasrc/view/cbi/oaf_upload.htm b/luci-app-oaf/luasrc/view/cbi/oaf_upload.htm
index c3a2e11..2d11fea 100644
--- a/luci-app-oaf/luasrc/view/cbi/oaf_upload.htm
+++ b/luci-app-oaf/luasrc/view/cbi/oaf_upload.htm
@@ -1,5 +1,5 @@
 <%+cbi/valueheader%>
 	<label class="cbi-value" style="display:inline-block; width: 130px" for="ulfile"><%:Select feature file%></label>
-	<input class="cbi-input-file" style="width: 500px" type="file" id="ulfile" name="ulfile" />
+	<input class="btn cbi-input-file" style="width: 500px" type="file" id="ulfile" name="ulfile" />
 	<input type="submit" class="cbi-button cbi-input-apply" name="upload" value="<%:Upload%>" />
 <%+cbi/valuefooter%>