diff --git a/tools/test_apps/system/panic/test_panic_util/panic_dut.py b/tools/test_apps/system/panic/test_panic_util/panic_dut.py
index 1209e935b60..40ecbbdb2d3 100644
--- a/tools/test_apps/system/panic/test_panic_util/panic_dut.py
+++ b/tools/test_apps/system/panic/test_panic_util/panic_dut.py
@@ -148,6 +148,8 @@ class PanicTestDut(IdfDut):
         espcoredump_args = [
             sys.executable,
             espcoredump_script,
+            '--port',
+            self.serial.port,
             '-b115200',
             'info_corefile',
         ]