diff --git a/tests/cryosms.py b/tests/cryosms.py
index 283602d0..d3126e75 100644
--- a/tests/cryosms.py
+++ b/tests/cryosms.py
@@ -200,7 +200,7 @@ def test_GIVEN_psu_at_field_strength_A_WHEN_told_to_ramp_to_B_THEN_correct_rates
         self.ca.assert_that_pv_is("RAMP:STAT", "HOLDING ON TARGET", timeout=120)
         self.ca.assert_that_pv_is_within_range("OUTPUT", end_point - 0.01, end_point + 0.01)
 
-        self.ca.assert_that_pv_is("STAT", "Ready")
+        self.ca.assert_that_pv_is("STAT", "Ready", timeout=20)
         self.ca.assert_that_pv_is("READY", "Ready")
         self.ca.assert_that_pv_is("RAMP:RAMPING", "Not Ramping")