diff --git a/internal/fptest/runtests.go b/internal/fptest/runtests.go
index 14d819c91d0..20b493d091a 100644
--- a/internal/fptest/runtests.go
+++ b/internal/fptest/runtests.go
@@ -76,6 +76,7 @@ func testbedPathFromMetadata() (string, error) {
 		mpb.Metadata_TESTBED_DUT_DUT_ATE_2LINKS: "dutdutate.testbed",
 		mpb.Metadata_TESTBED_DUT_ATE_8LINKS:     "atedut_8.testbed",
 		mpb.Metadata_TESTBED_DUT_400ZR:          "dut_400zr.testbed",
+		mpb.Metadata_TESTBED_DUT_400ZR_PLUS:     "dut_400zr_plus.testbed",
 	}
 	testbedFile, ok := testbedToFile[testbed]
 	if !ok {