diff --git a/consul/index.d.ts b/consul/index.d.ts
index b154eeccb3..4d577cd2a1 100644
--- a/consul/index.d.ts
+++ b/consul/index.d.ts
@@ -951,10 +951,14 @@ declare namespace Consul {
     }
 
     namespace Watch {
+        
+        interface WatchOptions {
+            key?: string;
+        }
 
         interface Options {
             method: Function;
-            options?: CommonOptions;
+            options?: CommonOptions & WatchOptions;
         }
     }