diff --git a/administrator/components/com_joomlaupdate/tmpl/joomlaupdate/default_upload.php b/administrator/components/com_joomlaupdate/tmpl/joomlaupdate/default_upload.php
index bb99bf1379c0a..5214e795bbe43 100644
--- a/administrator/components/com_joomlaupdate/tmpl/joomlaupdate/default_upload.php
+++ b/administrator/components/com_joomlaupdate/tmpl/joomlaupdate/default_upload.php
@@ -58,7 +58,7 @@
 					<?php echo Text::_('COM_JOOMLAUPDATE_VIEW_UPLOAD_PACKAGE_FILE'); ?>
 				</td>
 				<td>
-					<input class="form-control-file" id="install_package" name="install_package" type="file" size="57" onchange="Joomla.installpackageChange()">
+					<input class="form-control-file" id="install_package" name="install_package" type="file" size="57" accept=".zip,application/zip" onchange="Joomla.installpackageChange()">
 					<?php $maxSizeBytes = Utility::getMaxUploadSize(); ?>
 					<?php $maxSize = HTMLHelper::_('number.bytes', $maxSizeBytes); ?>
 					<input id="max_upload_size" name="max_upload_size" type="hidden" value="<?php echo $maxSizeBytes; ?>" />