diff --git a/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor b/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor
index 65d0cffd..b75f878f 100644
--- a/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor	
+++ b/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor	
@@ -6,7 +6,7 @@
             @T("Test how we load your file. Check the content before further processing.")
         </MudJustifiedText>
         
-        @if (FilePath == string.Empty)
+        @if (string.IsNullOrWhiteSpace(this.FilePath))
         {
             <ReadFileContent Text="@T("Load file")" @bind-FileContent="@this.FileContent"/>
         }
diff --git a/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor.cs b/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor.cs
index ebf4099b..ec03e7f3 100644
--- a/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor.cs	
+++ b/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor.cs	
@@ -31,12 +31,11 @@ public partial class DocumentCheckDialog : MSGComponentBase
     
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
-        if (firstRender && !string.IsNullOrEmpty(this.FilePath))
+        if (firstRender && !string.IsNullOrWhiteSpace(this.FilePath))
         {
             var fileContent = await UserFile.LoadFileData(this.FilePath, this.RustService, this.DialogService);
             this.FileContent = fileContent;
             this.StateHasChanged();
         }
     }
-    
 }
\ No newline at end of file