diff --git a/types/node-os-utils/index.d.ts b/types/node-os-utils/index.d.ts
index ed702adce7..72786d1040 100644
--- a/types/node-os-utils/index.d.ts
+++ b/types/node-os-utils/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for node-os-utils 1.1
+// Type definitions for node-os-utils 1.2
 // Project: https://github.com/SunilWang/node-os-utils
 // Definitions by: Nasreddine Bac Ali <https://github.com/bacali95>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
diff --git a/types/node-os-utils/lib/exec.d.ts b/types/node-os-utils/lib/exec.d.ts
index 54ac280501..96b4bd02ce 100644
--- a/types/node-os-utils/lib/exec.d.ts
+++ b/types/node-os-utils/lib/exec.d.ts
@@ -1 +1,3 @@
 export function exec(command: string): () => Promise<string>;
+
+export function wrapExec(command: string): () => () => Promise<string>;
diff --git a/types/node-os-utils/lib/index.d.ts b/types/node-os-utils/lib/index.d.ts
index b7984000d8..e832eb7982 100644
--- a/types/node-os-utils/lib/index.d.ts
+++ b/types/node-os-utils/lib/index.d.ts
@@ -18,7 +18,9 @@ export const oscmd: OsCmd;
 export const proc: Proc;
 export const users: Users;
 
-export let options: { NOT_SUPPORTED_VALUE: string, INTERVAL: number };
+export const options: { NOT_SUPPORTED_VALUE: string, INTERVAL: number };
+
+export function isNotSupported(res: any): boolean;
 
 export * from './cpu';
 export * from './drive';