From d2647ea6070753c8d91e2a6956205481bece070b Mon Sep 17 00:00:00 2001
From: Stephan <sgay@pilotine.com>
Date: Wed, 18 Sep 2013 11:33:26 +0200
Subject: [PATCH] Core.Cache - fix issue introduced in 761354d

---
 src/Umbraco.Core/Cache/StaticCacheProvider.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Umbraco.Core/Cache/StaticCacheProvider.cs b/src/Umbraco.Core/Cache/StaticCacheProvider.cs
index 4f3bb1108c..07bf9fb959 100644
--- a/src/Umbraco.Core/Cache/StaticCacheProvider.cs
+++ b/src/Umbraco.Core/Cache/StaticCacheProvider.cs
@@ -32,12 +32,14 @@ namespace Umbraco.Core.Cache
 
         public override void ClearCacheObjectTypes<T>()
         {
-            _staticCache.RemoveAll(kvp => kvp.Value is T);
+            var typeOfT = typeof (T);
+            _staticCache.RemoveAll(kvp => kvp.Value.GetType() == typeOfT);
         }
 
         public override void ClearCacheObjectTypes<T>(Func<string, T, bool> predicate)
         {
-            _staticCache.RemoveAll(kvp => kvp.Value is T && predicate(kvp.Key, (T)kvp.Value));
+            var typeOfT = typeof(T);
+            _staticCache.RemoveAll(kvp => kvp.Value.GetType() == typeOfT && predicate(kvp.Key, (T)kvp.Value));
         }
 
         public override void ClearCacheByKeySearch(string keyStartsWith)