diff --git a/types/toposort/index.d.ts b/types/toposort/index.d.ts
index 8da78b7d11..c2c9940c3a 100644
--- a/types/toposort/index.d.ts
+++ b/types/toposort/index.d.ts
@@ -3,4 +3,5 @@
 // Definitions by: Daniel Byrne <https://github.com/danwbyrne>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-export default function toposort(graph: ReadonlyArray<[string, string]>): ReadonlyArray<string>;
+declare function toposort(graph: ReadonlyArray<[string, string]>): ReadonlyArray<string>;
+export = toposort;
diff --git a/types/toposort/toposort-tests.ts b/types/toposort/toposort-tests.ts
index 201277fefa..84f554033b 100644
--- a/types/toposort/toposort-tests.ts
+++ b/types/toposort/toposort-tests.ts
@@ -1,18 +1,9 @@
-import toposort from 'toposort';
+import toposort = require('toposort');
 
 const testGraph: ReadonlyArray<[string, string]> = [
-  [
-    'string1',
-    'string2',
-  ],
-  [
-    'string2',
-    'string3',
-  ],
-  [
-    'string3',
-    'string1',
-  ],
+    ["string1", "string2"],
+    ["string2", "string3"],
+    ["string3", "string1"]
 ];
 
 // $ExpectType ReadonlyArray<string>