diff --git a/GUI/MainForm.cs b/GUI/MainForm.cs
index c659ea0..caa5705 100644
--- a/GUI/MainForm.cs
+++ b/GUI/MainForm.cs
@@ -61,9 +61,12 @@ sealed public partial class MainForm : Form
 		
     private void Decrypt(object sender, EventArgs e)
     {
-        ProcessBuilder pb = new ProcessBuilder();
-		pb.ProcessFailed += (e) => MessageBox.Show(e.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
-		CopyAndNotify(pb.GetOutput("gpg.exe", $"--quiet --decrypt {PathRequest()}\\{ResultList.Text}"), ResultList.Text);
-        Close();
+		if (ResultList.Text != null)
+		{
+			ProcessBuilder pb = new ProcessBuilder();
+			pb.ProcessFailed += (e) => MessageBox.Show(e.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			CopyAndNotify(pb.GetOutput("gpg.exe", $"--quiet --decrypt {PathRequest()}\\{ResultList.Text}"), ResultList.Text);
+			Close();
+		}
     }
 }