diff --git a/NoRM/IMongoAdmin.cs b/NoRM/IMongoAdmin.cs
index 49f8790a..773e5d72 100644
--- a/NoRM/IMongoAdmin.cs
+++ b/NoRM/IMongoAdmin.cs
@@ -12,7 +12,7 @@ public interface IMongoAdmin : IDisposable
         BuildInfoResponse BuildInfo();
         IMongoDatabase Database { get; }
         DroppedDatabaseResponse DropDatabase();
-        ForceSyncResponse ForceSync(bool async);
+        ForceSyncResponse ForceSync(bool isAsync);
         IEnumerable<DatabaseInfo> GetAllDatabases();
         IEnumerable<CurrentOperationResponse> GetCurrentOperations();
         int GetProfileLevel();
diff --git a/NoRM/MongoAdmin.cs b/NoRM/MongoAdmin.cs
index c058eeba..2410d518 100644
--- a/NoRM/MongoAdmin.cs
+++ b/NoRM/MongoAdmin.cs
@@ -182,12 +182,12 @@ public IEnumerable<DatabaseInfo> GetAllDatabases()
         /// <summary>
         /// Request that the server write any uncommitted writes to the filesystem.
         /// </summary>
-        /// <param retval="async">if set to <c>true</c> [async].</param>
+        /// <param retval="isAsync">if set to <c>true</c> [async].</param>
         /// <returns></returns>
-        public ForceSyncResponse ForceSync(bool async)
+        public ForceSyncResponse ForceSync(bool isAsync)
         {
             AssertConnectedToAdmin();
-            return this.Database.GetCollection<ForceSyncResponse>("$cmd").FindOne(new { fsync = 1d, async });
+            return this.Database.GetCollection<ForceSyncResponse>("$cmd").FindOne(new { fsync = 1d, isAsync });
         }
 
         /// <summary>