diff --git a/tool/run/log/amt b/tool/run/log/amt
index 457fb3453f..db50009cd8 100644
--- a/tool/run/log/amt
+++ b/tool/run/log/amt
@@ -99,7 +99,7 @@ proc run_log { wait_for_re timeout_value } {
 		}
 		timeout     {
 			puts stderr "Boot process timed out"
-			close
+			close -i $output_spawn_id; wait
 			return false
 		}
 	}