diff --git a/src/Orchard.Web/Core/Contents/Rules/ContentEvents.cs b/src/Orchard.Web/Core/Contents/Rules/ContentEvents.cs
index b6eeede3e..d90e5ed20 100644
--- a/src/Orchard.Web/Core/Contents/Rules/ContentEvents.cs
+++ b/src/Orchard.Web/Core/Contents/Rules/ContentEvents.cs
@@ -12,6 +12,10 @@ namespace Orchard.Core.Contents.Rules {
 
     [OrchardFeature("Contents.Rules")]
     public class ContentEvents : IEventProvider {
+        public ContentEvents() {
+            T = NullLocalizer.Instance;
+        }
+
         public Localizer T { get; set; }
 
         public void Describe(dynamic describe) {
diff --git a/src/Orchard.Web/Core/Contents/Rules/ContentForms.cs b/src/Orchard.Web/Core/Contents/Rules/ContentForms.cs
index 8dd5c5458..6610e9963 100644
--- a/src/Orchard.Web/Core/Contents/Rules/ContentForms.cs
+++ b/src/Orchard.Web/Core/Contents/Rules/ContentForms.cs
@@ -22,6 +22,7 @@ namespace Orchard.Core.Contents.Rules {
             IContentDefinitionManager contentDefinitionManager) {
             _contentDefinitionManager = contentDefinitionManager;
             Shape = shapeFactory;
+            T = NullLocalizer.Instance;
         }
 
         public void Describe(dynamic context) {
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsActions.cs b/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsActions.cs
index 277ce08b5..0c0c94b74 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsActions.cs
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsActions.cs
@@ -16,6 +16,7 @@ namespace Orchard.Comments.Rules {
 
         public CommentsActions(IContentManager contentManager) {
             _contentManager = contentManager;
+            T = NullLocalizer.Instance;
         }
 
         public Localizer T { get; set; }
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsForms.cs b/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsForms.cs
index 3d186c9df..284bc29c1 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsForms.cs
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Rules/CommentsForms.cs
@@ -16,6 +16,7 @@ namespace Orchard.Comments.Rules {
 
         public CommentsForms(IShapeFactory shapeFactory) {
             Shape = shapeFactory;
+            T = NullLocalizer.Instance;
         }
 
         public void Describe(dynamic context) {
diff --git a/src/Orchard.Web/Modules/Orchard.Email/Rules/MailActions.cs b/src/Orchard.Web/Modules/Orchard.Email/Rules/MailActions.cs
index 28ea19360..fbf4b8a82 100644
--- a/src/Orchard.Web/Modules/Orchard.Email/Rules/MailActions.cs
+++ b/src/Orchard.Web/Modules/Orchard.Email/Rules/MailActions.cs
@@ -31,6 +31,7 @@ namespace Orchard.Email.Rules {
             _messageManager = messageManager;
             _orchardServices = orchardServices;
             _membershipService = membershipService;
+            T = NullLocalizer.Instance;
         }
 
         public Localizer T { get; set; }
diff --git a/src/Orchard.Web/Modules/Orchard.Email/Rules/MailForms.cs b/src/Orchard.Web/Modules/Orchard.Email/Rules/MailForms.cs
index f19d21781..9f324ffae 100644
--- a/src/Orchard.Web/Modules/Orchard.Email/Rules/MailForms.cs
+++ b/src/Orchard.Web/Modules/Orchard.Email/Rules/MailForms.cs
@@ -17,6 +17,7 @@ namespace Orchard.Email.Rules {
 
         public MailForms(IShapeFactory shapeFactory) {
             Shape = shapeFactory;
+            T = NullLocalizer.Instance;
         }
 
         public void Describe(dynamic context) {
diff --git a/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionActions.cs b/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionActions.cs
index 9a971e2f8..c1501bbdb 100644
--- a/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionActions.cs
+++ b/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionActions.cs
@@ -16,6 +16,7 @@ namespace Orchard.Scripting.Rules {
 
         public ConditionActions(IEnumerable<IScriptExpressionEvaluator> evaluators) {
             _evaluators = evaluators;
+            T = NullLocalizer.Instance;
         }
 
         public Localizer T { get; set; }
diff --git a/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionForms.cs b/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionForms.cs
index 82faae52c..635b9f708 100644
--- a/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionForms.cs
+++ b/src/Orchard.Web/Modules/Orchard.Scripting/Rules/ConditionForms.cs
@@ -16,6 +16,7 @@ namespace Orchard.Scripting.Rules {
 
         public ConditionForms(IShapeFactory shapeFactory) {
             Shape = shapeFactory;
+            T = NullLocalizer.Instance;
         }
 
         public void Describe(dynamic context) {