diff --git a/long/long-tests.ts b/long/long-tests.ts
index 928cc94530..f70835f662 100644
--- a/long/long-tests.ts
+++ b/long/long-tests.ts
@@ -2,7 +2,7 @@
 
 import Long = require("long");
 
-var val: Long;
+var val: dcodeIO.Long;
 var n: number = 42;
 var b: boolean = true;
 var s: string = "1337";