diff --git a/test/acme/dns/options.go b/test/acme/dns/options.go
index cbc02bdc5..e4eb780f1 100644
--- a/test/acme/dns/options.go
+++ b/test/acme/dns/options.go
@@ -54,7 +54,7 @@ func applyDefaults(f *fixture) {
 	runfiles := os.Getenv("TEST_SRCDIR")
 	if f.binariesPath == "" {
 		if runfiles != "" {
-			f.binariesPath = runfiles + "/__main__/hack/bin"
+			f.binariesPath = runfiles + "/cert_manager/hack/bin"
 		}
 	}
 	if f.jsonConfig == nil {