diff --git a/types/deasync/deasync-tests.ts b/types/deasync/deasync-tests.ts
index fb2761d566..e4e77561e9 100644
--- a/types/deasync/deasync-tests.ts
+++ b/types/deasync/deasync-tests.ts
@@ -1,28 +1,24 @@
-import * as deasync from "deasync"
-
-
+import * as deasync from "deasync";
 
 function asyncFunction(input: number, cb: (res: number) => void) {}
 function handle(res: number) {}
 
-
-
 // base case
-asyncFunction(42, handle)
+asyncFunction(42, handle);
 
 // deasync
-let wrapped = deasync(asyncFunction)
-handle(wrapped(42))
+let wrapped = deasync(asyncFunction);
+handle(wrapped(42));
 
 // deasync.loopWhile
-let done = false
+let done = false;
 asyncFunction(42, () => {
-    done = true
-})
-deasync.loopWhile(() => !done)
+    done = true;
+});
+deasync.loopWhile(() => !done);
 
 // deasync.runLoopOnce
-deasync.runLoopOnce()
+deasync.runLoopOnce();
 
 // deasync.sleep
-deasync.sleep(100)
+deasync.sleep(100);
diff --git a/types/deasync/index.d.ts b/types/deasync/index.d.ts
index c87760c49b..20440203e7 100644
--- a/types/deasync/index.d.ts
+++ b/types/deasync/index.d.ts
@@ -1,16 +1,14 @@
-// Type definitions for deasync
+// Type definitions for deasync 0.1
 // Project: https://github.com/abbr/deasync
 // Definitions by: Matt Rollins <https://github.com/Sicilica>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.1
 
-declare function deasync(func: (...pn: any[])=>void): (...pn: any[])=>any;
+export = deasync;
+
+declare function deasync(fn: (...args: any[]) => void): (...args: any[]) => any;
 declare namespace deasync {
-
-	export function loopWhile(predicate: ()=>boolean): void
-	export function runLoopOnce(): void
-	export function sleep(ms: number): void
-
+	function loopWhile(pred: () => boolean): void;
+	function runLoopOnce(): void;
+	function sleep(ms: number): void;
 }
-
-export = deasync
diff --git a/types/deasync/tsconfig.json b/types/deasync/tsconfig.json
index 08469db6f6..5b96318954 100644
--- a/types/deasync/tsconfig.json
+++ b/types/deasync/tsconfig.json
@@ -6,7 +6,7 @@
         ],
         "noImplicitAny": true,
         "noImplicitThis": true,
-        "strictNullChecks": false,
+        "strictNullChecks": true,
         "baseUrl": "../",
         "typeRoots": [
             "../"
diff --git a/types/deasync/tslint.json b/types/deasync/tslint.json
new file mode 100644
index 0000000000..c6c6df5352
--- /dev/null
+++ b/types/deasync/tslint.json
@@ -0,0 +1,4 @@
+{
+	"extends": "dtslint/dt.json",
+	"rules": {}
+}