diff --git a/static/js/variant.js b/static/js/variant.js
index 4f7022c3ab..78d255ba30 100644
--- a/static/js/variant.js
+++ b/static/js/variant.js
@@ -254,7 +254,12 @@ var variants = {
 	},
 
 	getStylesheet: function(){
-		this.download( this.generateStylesheet(), 'text/css', 'theme-' + this.customvariantname + '.css' );
+		var style = this.generateStylesheet();
+		if( !style ){
+			alert( 'There is nothing to be generated as auto mode variants will be generated by Hugo' );
+			return;
+		}
+		this.download( style, 'text/css', 'theme-' + this.customvariantname + '.css' );
 	},
 
 	adjustCSSRules: function(selector, props, sheets) {
@@ -427,7 +432,6 @@ var variants = {
 			read_style = write_style;
 		}
 		if( !read_style ){
-			alert( 'An auto mode variant will be generated by Hugo and must not be stored in a separate stylesheet' );
 			return;
 		}