1 files changed, 1 insertions, 1 deletions

diff --git a/FdsFile.cs b/FdsFile.cs
index 99fe082..dcda723 100644
--- a/FdsFile.cs
+++ b/FdsFile.cs
@@ -13,7 +13,7 @@ namespace com.clusterrr.Famicom.Containers
         /// <summary>

         /// Disk Side Images

         /// </summary>

-        public IList<FdsDiskSide> Sides { get => sides; set => sides = value; }

+        public IList<FdsDiskSide> Sides { get => sides; set => sides = value ?? new List<FdsDiskSide>(); }

 

         /// <summary>

         /// Constructor to create empty FdsFile object