diff --git a/ServerGridEditor.exe b/ServerGridEditor.exe
index b129a1e..51cb046 100644
Binary files a/ServerGridEditor.exe and b/ServerGridEditor.exe differ
diff --git a/Src/ServerGridEditor/Forms/MainForm.cs b/Src/ServerGridEditor/Forms/MainForm.cs
index 92b5e38..71c9ac0 100644
--- a/Src/ServerGridEditor/Forms/MainForm.cs
+++ b/Src/ServerGridEditor/Forms/MainForm.cs
@@ -1129,7 +1129,8 @@ namespace ServerGridEditor
             Dictionary<string, Island> originalIslands = new Dictionary<string, Island>();
 
             foreach (Island island in allIslands)
-                if (island.modDir != null)
+            {
+                if (!string.IsNullOrWhiteSpace(island.modDir))
                 {
                     //This is a mod island group it to be saved
                     Dictionary<string, Island> modIslandsDict = null;
@@ -1145,6 +1146,7 @@ namespace ServerGridEditor
                 {
                     originalIslands.Add(island.name, island);
                 }
+            }
 
             //Serialize Main island file
             string json = JsonConvert.SerializeObject(originalIslands, Formatting.Indented);