diff --git a/SparkleShare/SparkleKeys.cs b/SparkleShare/SparkleKeys.cs
index 362d16d5..8c217863 100644
--- a/SparkleShare/SparkleKeys.cs
+++ b/SparkleShare/SparkleKeys.cs
@@ -73,10 +73,11 @@ namespace SparkleShare {
         {
             Process process = new Process ();
 
-            process.StartInfo.FileName        = "ssh-add";
-            process.StartInfo.Arguments       = "\"" + key_file_path + "\"";
-            process.StartInfo.UseShellExecute = false;
-            process.StartInfo.CreateNoWindow  = true;
+            process.StartInfo.FileName              = "ssh-add";
+            process.StartInfo.Arguments             = "\"" + key_file_path + "\"";
+            process.StartInfo.UseShellExecute       = false;
+            process.StartInfo.CreateNoWindow        = true;
+            process.StartInfo.RedirectStandardError = true;
 
             process.Start ();
             process.WaitForExit ();