diff --git a/packages/testcontainers/src/container-runtime/auth/credential-provider.ts b/packages/testcontainers/src/container-runtime/auth/credential-provider.ts
index cf08e169..7a1a13df 100644
--- a/packages/testcontainers/src/container-runtime/auth/credential-provider.ts
+++ b/packages/testcontainers/src/container-runtime/auth/credential-provider.ts
@@ -36,7 +36,7 @@ export abstract class CredentialProvider implements RegistryAuthLocator {
     return {
       username: response.Username,
       password: response.Secret,
-      registryAddress: response.ServerURL || credentialForRegistry,
+      registryAddress: response.ServerURL ?? credentialForRegistry,
     };
   }