diff --git a/ssh/session.go b/ssh/session.go
index fd10cd1..09eb009 100644
--- a/ssh/session.go
+++ b/ssh/session.go
@@ -601,5 +601,12 @@ func (w Waitmsg) Lang() string {
 }
 
 func (w Waitmsg) String() string {
-	return fmt.Sprintf("Process exited with: %v. Reason was: %v (%v)", w.status, w.msg, w.signal)
+	str := fmt.Sprintf("Process exited with status %v", w.status)
+	if w.signal != "" {
+		str += fmt.Sprintf(" from signal %v", w.signal)
+	}
+	if w.msg != "" {
+		str += fmt.Sprintf(". Reason was: %v", w.msg)
+	}
+	return str
 }