diff --git a/tests/drivers/grtc/grtc_reset/pytest/tests.py b/tests/drivers/grtc/grtc_reset/pytest/tests.py
index 2f64a1f70ff1..f8ff57f62e39 100755
--- a/tests/drivers/grtc/grtc_reset/pytest/tests.py
+++ b/tests/drivers/grtc/grtc_reset/pytest/tests.py
@@ -28,7 +28,7 @@ def reset_dut(dut: DeviceAdapter, reset_kind: str = "RESET_PIN"):
     logger.info(output)
 
 def get_cycle_and_uptime_from_logs(dut: DeviceAdapter):
-    lines = dut.readlines_until(timeout=5)
+    lines = dut.readlines_until(regex=r'.*k_uptime_get.*', timeout=5)
     for line in lines:
         match_cycle = re.search(r'k_cycle_get_32\s*=\s*(\d+)', line)
         if match_cycle: