diff --git a/e2e/harness/options_test.go b/e2e/harness/options_test.go
index 9ebeba55c..8a5557a83 100644
--- a/e2e/harness/options_test.go
+++ b/e2e/harness/options_test.go
@@ -157,5 +157,5 @@ func TestModuleDirHonoursContext(t *testing.T) {
 	cancel()
 
 	_, err := moduleDir(ctx, modulePath)
-	assert.Error(t, err, "a cancelled context must fail the lookup")
+	assert.ErrorIs(t, err, context.Canceled, "a cancelled context must stop the lookup")
 }