diff --git a/types/nodegit/cert-x509.d.ts b/types/nodegit/cert-x509.d.ts
new file mode 100644
index 0000000000..14f38ac5fc
--- /dev/null
+++ b/types/nodegit/cert-x509.d.ts
@@ -0,0 +1,5 @@
+export class CertX509 {
+    certType: number;
+    data: Buffer;
+    len: number;
+}
diff --git a/types/nodegit/index.d.ts b/types/nodegit/index.d.ts
index bd7f7791c6..9b446aa056 100644
--- a/types/nodegit/index.d.ts
+++ b/types/nodegit/index.d.ts
@@ -11,7 +11,8 @@ export { Blame } from './blame';
 export { Blob } from './blob';
 export { Branch } from './branch';
 export { Buf } from './buf';
-export { CertHostKey } from './cert-host-key';
+export { CertHostkey } from './cert-host-key';
+export { CertX509 } from './cert-x509';
 export { Cert } from './cert';
 export { CheckoutOptions } from './checkout-options';
 export { Checkout } from './checkout';
diff --git a/types/nodegit/tsconfig.json b/types/nodegit/tsconfig.json
index 15398d46c4..02fa864776 100644
--- a/types/nodegit/tsconfig.json
+++ b/types/nodegit/tsconfig.json
@@ -25,6 +25,7 @@
         "branch.d.ts",
         "buf.d.ts",
         "cert-host-key.d.ts",
+        "cert-x509.d.ts",
         "cert.d.ts",
         "checkout-options.d.ts",
         "checkout.d.ts",