diff --git a/Getting Started/Console/.NET/Create Excel/Create Excel/Program.cs b/Getting Started/Console/.NET/Create Excel/Create Excel/Program.cs
index b0e233e9..d33fb2d6 100644
--- a/Getting Started/Console/.NET/Create Excel/Create Excel/Program.cs	
+++ b/Getting Started/Console/.NET/Create Excel/Create Excel/Program.cs	
@@ -184,6 +184,7 @@ static void Main(string[] args)
                 {
                     workbook.SaveAs(stream);
                 }
+                imageStream.Close();
             }
         }
     }