diff --git a/tests/instrumented.py b/tests/instrumented.py
index a3747d4e97a..47d65aed5fe 100644
--- a/tests/instrumented.py
+++ b/tests/instrumented.py
@@ -352,10 +352,10 @@ def test_fen_position_with_mate_go_nodes(self):
     def test_fen_position_depth_27(self):
         self.stockfish.send_command("ucinewgame")
         self.stockfish.send_command(
-            "position fen 1NR2B2/5p2/5p2/1p1kpp2/1P2rp2/2P1pB2/2P1P1K1/8 b - -"
+            "r1b2r1k/pp1p2pp/2p5/2B1q3/8/8/P1PN2PP/R4RK1 w - - 0 18"
         )
-        self.stockfish.send_command("go depth 27")
-        self.stockfish.contains("score mate -2")
+        self.stockfish.send_command("go infinite")
+        self.stockfish.contains("score mate -1")
 
         self.stockfish.starts_with("bestmove")