diff --git a/src/Orchard/Caching/ICacheManager.cs b/src/Orchard/Caching/ICacheManager.cs
index 785d34f0c..793b29a46 100644
--- a/src/Orchard/Caching/ICacheManager.cs
+++ b/src/Orchard/Caching/ICacheManager.cs
@@ -7,11 +7,11 @@ namespace Orchard.Caching {
     }
 
     public static class CacheManagerExtensions {
-        public static TResult Get<TKey, TResult>(this ICacheManager cacheManager, TKey key, bool lazy, Func<AcquireContext<TKey>, TResult> acquire) {
-            // Wrap the call in a Lazy initializer to prevent multiple processes from
-            // executing the same lambda in parallel.
-            if (lazy) {
-                return cacheManager.Get<TKey, Lazy<TResult>>(key, k => new Lazy<TResult>(() => acquire(k))).Value;
+        public static TResult Get<TKey, TResult>(this ICacheManager cacheManager, TKey key, bool preventConcurrentCalls, Func<AcquireContext<TKey>, TResult> acquire) {
+            if (preventConcurrentCalls) {
+                lock(key) {
+                    return cacheManager.Get(key, acquire);
+                }
             }
             else {
                 return cacheManager.Get(key, acquire);