diff --git a/types/jasmine/index.d.ts b/types/jasmine/index.d.ts
index 976eab3fba..b5b34ee0f8 100644
--- a/types/jasmine/index.d.ts
+++ b/types/jasmine/index.d.ts
@@ -220,7 +220,7 @@ declare namespace jasmine {
         oneFailurePerSpec?: boolean;
         hideDisabled?: boolean;
         specFilter?: Function;
-        promise?: Function;
+        Promise?: Function;
     }
 
     function clock(): Clock;