diff --git a/leaflet/leaflet.d.ts b/leaflet/leaflet.d.ts
index 511f49b0e1..6cfee579aa 100644
--- a/leaflet/leaflet.d.ts
+++ b/leaflet/leaflet.d.ts
@@ -3755,7 +3755,7 @@ declare module L {
 
     module TileLayer {
 
-        export class WMS {
+        export class WMS extends TileLayer {
 
             /**
               * Instantiates a WMS tile layer object given a base URL of the WMS service and