diff --git a/vectorious/index.d.ts b/vectorious/index.d.ts
index 63b53d20bf..c68e87236c 100644
--- a/vectorious/index.d.ts
+++ b/vectorious/index.d.ts
@@ -269,6 +269,8 @@ export class Vector {
 export class Matrix {
 
     T: Matrix;
+    
+    shape: number[];
 
     /**
      * @method constructor
@@ -586,4 +588,4 @@ export class Matrix {
     public toArray (): number[][];
 }
 
-export class BLAS {}
\ No newline at end of file
+export class BLAS {}