diff --git a/types/node/v4/index.d.ts b/types/node/v4/index.d.ts
index dab3b0c5d9..cd771ff805 100644
--- a/types/node/v4/index.d.ts
+++ b/types/node/v4/index.d.ts
@@ -3,6 +3,7 @@
 // Definitions by: Microsoft TypeScript <http://typescriptlang.org>
 //                 DefinitelyTyped <https://github.com/DefinitelyTyped/DefinitelyTyped>
 //                 Sebastian Silbermann <https://github.com/eps1lon>
+//                 Sander Koenders <https://github.com/Archcry>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /************************************************
@@ -407,6 +408,10 @@ declare namespace NodeJS {
         isTTY?: true;
     }
 
+    export interface ProcessEnv {
+        [key: string]: string | undefined;
+    }
+
     export interface Process extends EventEmitter {
         stdout: Socket;
         stderr: Socket;
@@ -418,7 +423,7 @@ declare namespace NodeJS {
         chdir(directory: string): void;
         cwd(): string;
         debugPort: number;
-        env: any;
+        env: ProcessEnv;
         exit(code?: number): void;
         exitCode: number;
         getgid(): number;
diff --git a/types/node/v4/node-tests.ts b/types/node/v4/node-tests.ts
index 6409e83e18..8de12003cf 100644
--- a/types/node/v4/node-tests.ts
+++ b/types/node/v4/node-tests.ts
@@ -734,19 +734,7 @@ namespace path_tests {
     // returns
     //        ['foo', 'bar', 'baz']
 
-    console.log(process.env.PATH)
-    // '/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin'
-
-    process.env.PATH.split(path.delimiter)
-    // returns
-    //        ['/usr/bin', '/bin', '/usr/sbin', '/sbin', '/usr/local/bin']
-
-    console.log(process.env.PATH)
-    // 'C:\Windows\system32;C:\Windows;C:\Program Files\nodejs\'
-
-    process.env.PATH.split(path.delimiter)
-    // returns
-    //        ['C:\Windows\system32', 'C:\Windows', 'C:\Program Files\nodejs\']
+    process.env["PATH"]; // $ExpectType string
 
     path.parse('/home/user/dir/file.txt')
     // returns
diff --git a/types/node/v6/index.d.ts b/types/node/v6/index.d.ts
index 570e668c53..baf0776dcf 100644
--- a/types/node/v6/index.d.ts
+++ b/types/node/v6/index.d.ts
@@ -7,6 +7,7 @@
 //                 Sebastian Silbermann <https://github.com/eps1lon>
 //                 Alorel <https://github.com/Alorel>
 //                 Hoàng Văn Khải <https://github.com/KSXGitHub>
+//                 Sander Koenders <https://github.com/Archcry>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /************************************************
@@ -460,6 +461,10 @@ declare namespace NodeJS {
         isTTY?: true;
     }
 
+    export interface ProcessEnv {
+        [key: string]: string | undefined;
+    }
+
     export interface WriteStream extends Socket {
         columns?: number;
         rows?: number;
@@ -482,7 +487,7 @@ declare namespace NodeJS {
         cwd(): string;
         debugPort: number;
         emitWarning(warning: string | Error, name?: string, ctor?: Function): void;
-        env: any;
+        env: ProcessEnv;
         exit(code?: number): void;
         exitCode: number;
         getgid(): number;
diff --git a/types/node/v6/node-tests.ts b/types/node/v6/node-tests.ts
index 4457f83492..789fc5c744 100644
--- a/types/node/v6/node-tests.ts
+++ b/types/node/v6/node-tests.ts
@@ -1364,19 +1364,7 @@ namespace path_tests {
     // returns
     //        ['foo', 'bar', 'baz']
 
-    console.log(process.env.PATH)
-    // '/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin'
-
-    process.env.PATH.split(path.delimiter)
-    // returns
-    //        ['/usr/bin', '/bin', '/usr/sbin', '/sbin', '/usr/local/bin']
-
-    console.log(process.env.PATH)
-    // 'C:\Windows\system32;C:\Windows;C:\Program Files\nodejs\'
-
-    process.env.PATH.split(path.delimiter)
-    // returns
-    //        ['C:\Windows\system32', 'C:\Windows', 'C:\Program Files\nodejs\']
+    process.env["PATH"]; // $ExpectType string
 
     path.parse('/home/user/dir/file.txt')
     // returns
diff --git a/types/node/v7/index.d.ts b/types/node/v7/index.d.ts
index 055933977d..18442291a1 100644
--- a/types/node/v7/index.d.ts
+++ b/types/node/v7/index.d.ts
@@ -7,6 +7,7 @@
 //                 Wilco Bakker <https://github.com/WilcoBakker>
 //                 Sebastian Silbermann <https://github.com/eps1lon>
 //                 Hoàng Văn Khải <https://github.com/KSXGitHub>
+//                 Sander Koenders <https://github.com/Archcry>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /************************************************
@@ -456,6 +457,10 @@ declare namespace NodeJS {
         isTTY?: true;
     }
 
+    export interface ProcessEnv {
+        [key: string]: string | undefined;
+    }
+
     export interface WriteStream extends Socket {
         columns?: number;
         rows?: number;
@@ -479,7 +484,7 @@ declare namespace NodeJS {
         cwd(): string;
         debugPort: number;
         emitWarning(warning: string | Error, name?: string, ctor?: Function): void;
-        env: any;
+        env: ProcessEnv;
         exit(code?: number): never;
         exitCode: number;
         getgid(): number;
diff --git a/types/node/v7/node-tests.ts b/types/node/v7/node-tests.ts
index 0ea05066b4..8d6f0af1e3 100644
--- a/types/node/v7/node-tests.ts
+++ b/types/node/v7/node-tests.ts
@@ -1346,19 +1346,7 @@ namespace path_tests {
     // returns
     //        ['foo', 'bar', 'baz']
 
-    console.log(process.env.PATH)
-    // '/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin'
-
-    process.env.PATH.split(path.delimiter)
-    // returns
-    //        ['/usr/bin', '/bin', '/usr/sbin', '/sbin', '/usr/local/bin']
-
-    console.log(process.env.PATH)
-    // 'C:\Windows\system32;C:\Windows;C:\Program Files\nodejs\'
-
-    process.env.PATH.split(path.delimiter)
-    // returns
-    //        ['C:\Windows\system32', 'C:\Windows', 'C:\Program Files\nodejs\']
+    process.env["PATH"]; // $ExpectType string
 
     path.parse('/home/user/dir/file.txt')
     // returns