diff --git a/templates/install.tmpl b/templates/install.tmpl
index 46439b4979..f45052ccd0 100644
--- a/templates/install.tmpl
+++ b/templates/install.tmpl
@@ -99,7 +99,7 @@
 						<input id="domain" name="domain" value="{{.domain}}" placeholder="e.g. try.gitea.io" required>
 						<span class="help">{{.i18n.Tr "install.domain_helper"}}</span>
 					</div>
-					<div class="inline required field">
+					<div class="inline field">
 						<label for="ssh_port">{{.i18n.Tr "install.ssh_port"}}</label>
 						<input id="ssh_port" name="ssh_port" value="{{.ssh_port}}">
 						<span class="help">{{.i18n.Tr "install.ssh_port_helper"}}</span>