diff --git a/bigInteger/bigInteger-tests.ts b/big-integer/big-integer-tests.ts
similarity index 98%
rename from bigInteger/bigInteger-tests.ts
rename to big-integer/big-integer-tests.ts
index 225b2118de..3b9fb8745f 100644
--- a/bigInteger/bigInteger-tests.ts
+++ b/big-integer/big-integer-tests.ts
@@ -1,4 +1,4 @@
-/// <reference path="bigInteger.d.ts" />
+/// <reference path="big-integer.d.ts" />
 
 // constructor tests
 var noArgument = bigInt(),
diff --git a/bigInteger/bigInteger.d.ts b/big-integer/big-integer.d.ts
similarity index 99%
rename from bigInteger/bigInteger.d.ts
rename to big-integer/big-integer.d.ts
index a98fad7e79..dfadc49629 100644
--- a/bigInteger/bigInteger.d.ts
+++ b/big-integer/big-integer.d.ts
@@ -197,6 +197,6 @@ interface BigIntegerStatic {
 
 declare var bigInt: BigIntegerStatic;
 
-declare module "BigInteger" {
+declare module "big-integer" {
     export = bigInt;
 }
\ No newline at end of file