diff --git a/pkg/test/extensions/binary.go b/pkg/test/extensions/binary.go
index b5e5469e8604..38b71d882b56 100644
--- a/pkg/test/extensions/binary.go
+++ b/pkg/test/extensions/binary.go
@@ -778,6 +778,22 @@ func (binaries TestBinaries) ListTests(ctx context.Context, parallelism int, env
 		return nil, fmt.Errorf("encountered errors while listing tests: %s", strings.Join(errs, ";"))
 	}
 
+	var baseSpecs extensiontests.ExtensionTestSpecs
+	for _, spec := range allTests {
+		baseSpecs = append(baseSpecs, spec.ExtensionTestSpec)
+	}
+
+	// Save current binary-registered name before any origin-side mutations.
+	// External binaries only recognize the name they registered, not names
+	// modified by addLabelsToSpecs/addEnvironmentSelectors/appendSuiteNames.
+	for _, spec := range baseSpecs {
+		spec.OriginalName = spec.Name
+	}
+	baseSpecs = filterOutDisabledSpecs(baseSpecs)
+	addEnvironmentSelectors(baseSpecs)
+	addLabelsToSpecs(baseSpecs)
+	appendSuiteNames(baseSpecs)
+
 	return allTests, nil
 }
 
diff --git a/pkg/test/ginkgo/test_runner.go b/pkg/test/ginkgo/test_runner.go
index f367d405d0e1..b2296b6d90f4 100644
--- a/pkg/test/ginkgo/test_runner.go
+++ b/pkg/test/ginkgo/test_runner.go
@@ -337,7 +337,11 @@ func (c *commandContext) RunTestInNewProcess(ctx context.Context, test *testCase
 		timeout = test.testTimeout
 	}
 
-	results := test.binary.RunTests(ctx, timeout, testEnv, test.name)
+	dispatchName := test.rawName
+	if dispatchName == "" {
+		dispatchName = test.name
+	}
+	results := test.binary.RunTests(ctx, timeout, testEnv, dispatchName)
 	if len(results) != 1 {
 		fmt.Fprintf(os.Stderr, "warning: expected 1 result from external binary; received %d", len(results))
 	}
diff --git a/pkg/test/ginkgo/test_suite.go b/pkg/test/ginkgo/test_suite.go
index 67d54e7b1acb..1ac1a13f49c4 100644
--- a/pkg/test/ginkgo/test_suite.go
+++ b/pkg/test/ginkgo/test_suite.go
@@ -16,9 +16,13 @@ var re = regexp.MustCompile(`.*\[Timeout:(.[^\]]*)\]`)
 func extensionTestSpecsToOriginTestCases(specs extensions.ExtensionTestSpecs) ([]*testCase, error) {
 	var tests []*testCase
 	for _, spec := range specs {
+		rawName := spec.Name
+		if spec.OriginalName != "" {
+			rawName = spec.OriginalName
+		}
 		tc := &testCase{
 			name:    spec.Name,
-			rawName: spec.Name,
+			rawName: rawName,
 			binary:  spec.Binary,
 			spec:    spec,
 		}