diff --git a/www/scripts/apps/admin/fields/views/edit.js b/www/scripts/apps/admin/fields/views/edit.js
index 2353fd9a4c..8fc9ed9d4e 100644
--- a/www/scripts/apps/admin/fields/views/edit.js
+++ b/www/scripts/apps/admin/fields/views/edit.js
@@ -125,8 +125,8 @@ define([
             var fieldTag = $(e.target);
             var fieldTagId = fieldTag.attr("id");
             var fieldTagValue = fieldTag.val();
+            var notValid = "" === fieldTagValue;
 
-            var notValid = "" !== fieldTagValue;
             // check for format tag
             if (notValid) {
                 fieldTag
diff --git a/www/scripts/tests/specs/admin/fields.js b/www/scripts/tests/specs/admin/fields.js
index 6d76b9c568..24224975d4 100644
--- a/www/scripts/tests/specs/admin/fields.js
+++ b/www/scripts/tests/specs/admin/fields.js
@@ -217,6 +217,14 @@ define([
                 it("should render as a DIV element", function() {
                     this.view.render().el.nodeName.should.equal("DIV");
                 });
+
+                it("should render an error message if provided tag is empty", function() {
+                   var view =  this.view.render();
+
+                    view.$('input#tag').val("").blur();
+
+                    assert.isTrue(view.$('input#tag').closest(".control-group").hasClass("error"));
+                });
             });
 
             describe("FieldError Views", function() {