diff --git a/randomColor/randomColor-tests.ts b/randomColor/randomColor-tests.ts
index 69b617615e..4dfd6bed26 100644
--- a/randomColor/randomColor-tests.ts
+++ b/randomColor/randomColor-tests.ts
@@ -1,4 +1,4 @@
-/// <reference path="randomColor.d.ts" />
+/// <reference path="randomcolor.d.ts" />
 
 // Returns a hex code for an attractive color
 randomColor(); 
diff --git a/randomcolor/randomcolor-tests.ts b/randomcolor/randomcolor-tests.ts
index 69b617615e..4dfd6bed26 100644
--- a/randomcolor/randomcolor-tests.ts
+++ b/randomcolor/randomcolor-tests.ts
@@ -1,4 +1,4 @@
-/// <reference path="randomColor.d.ts" />
+/// <reference path="randomcolor.d.ts" />
 
 // Returns a hex code for an attractive color
 randomColor();