diff --git a/atom/atom.d.ts b/atom/atom.d.ts
index e19e70ab62..67c30f7884 100644
--- a/atom/atom.d.ts
+++ b/atom/atom.d.ts
@@ -942,6 +942,8 @@ declare module AtomCore {
 	}
 
   interface IPackage {
+		mainModulePath: string;
+		mainModule: any;
 	  enable(): void;
 		disable(): void;
 		isTheme(): boolean;