diff --git a/composer.json b/composer.json
index 0211968..c598daa 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
 	},
 	"extra": {
 		"roundcube": {
-			"min-version": "1.1",
+			"min-version": "1.3",
 			"sql-dir": "SQL"
 		}
 	}
diff --git a/ident_switch.js b/ident_switch.js
index 55f4cf6..ae0e46b 100644
--- a/ident_switch.js
+++ b/ident_switch.js
@@ -4,9 +4,9 @@
 
 $(function() {
 	var $truName = $('.topright .username');
-	if ($truName.size() > 0) {
+	if ($truName.length > 0) {
 		$sw = $('#plugin-ident_switch-account');
-		if ($sw.size() > 0) {
+		if ($sw.length > 0) {
 			$sw.prependTo('.topright');
 			$truName.hide();
 			$('#plugin-ident_switch-account').show();
diff --git a/ident_switch.min.js b/ident_switch.min.js
index 4782de5..651c00f 100644
--- a/ident_switch.min.js
+++ b/ident_switch.min.js
@@ -1,4 +1,4 @@
-$(function(){var $truName=$('.topright .username');if($truName.size()>0){$sw=$('#plugin-ident_switch-account');if($sw.size()>0){$sw.prependTo('.topright');$truName.hide();$('#plugin-ident_switch-account').show();}}
+$(function(){var $truName=$('.topright .username');if($truName.length>0){$sw=$('#plugin-ident_switch-account');if($sw.length>0){$sw.prependTo('.topright');$truName.hide();$('#plugin-ident_switch-account').show();}}
 $("INPUT[name='_ident_switch.form.enabled']").change();$("SELECT[name='_ident_switch.form.secure']").change();plugin_switchIdent_processPreconfig();});function plugin_switchIdent_processPreconfig(){var disFld=$("INPUT[name='_ident_switch.form.readonly']");disFld.parentsUntil("TABLE","TR").hide();var disVal=disFld.val();if(disVal>0){$("INPUT[name='_ident_switch.form.host']").prop("disabled",true);$("SELECT[name='_ident_switch.form.secure']").prop("disabled",true);$("INPUT[name='_ident_switch.form.port']").prop("disabled",true);}
 if(2==disVal){$("INPUT[name='_ident_switch.form.username']").prop("disabled",true);}}
 function plugin_switchIdent_enabled_onChange(e){var $enFld=$("INPUT[name='_ident_switch.form.enabled']");$("INPUT[name!='_ident_switch.form.enabled'], SELECT",$enFld.parents("FIELDSET")).prop("disabled",!$enFld.is(":checked"));plugin_switchIdent_processPreconfig();}