diff --git a/p2/p2.d.ts b/p2/p2.d.ts
index a0e3f8b6af..2b75d93fc3 100644
--- a/p2/p2.d.ts
+++ b/p2/p2.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Clark Stevenson <https://github.com/clark-stevenson>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
-declare module p2 {
+declare module "p2" {
 
     export class AABB {