diff --git a/Tasks/DotNetCoreCLI/Tests/publishInputs.ts b/Tasks/DotNetCoreCLI/Tests/publishInputs.ts
index 8985a1b54559..c645b1cc6752 100644
--- a/Tasks/DotNetCoreCLI/Tests/publishInputs.ts
+++ b/Tasks/DotNetCoreCLI/Tests/publishInputs.ts
@@ -69,6 +69,6 @@ let a: ma.TaskLibAnswers = <ma.TaskLibAnswers>{
 process.env["MOCK_NORMALIZE_SLASHES"] = "true";
 tmr.setAnswers(a);
 tmr.registerMock('vsts-task-lib/toolrunner', require('vsts-task-lib/mock-toolrunner'));
-tmr.registerMock('nuget-task-common/utility', require('./mock-findfiles'));
+tmr.registerMock('nuget-task-common/Utility', require('./mock-findfiles'));
 
 tmr.run();
\ No newline at end of file
diff --git a/Tasks/DotNetCoreCLI/Tests/validInputs.ts b/Tasks/DotNetCoreCLI/Tests/validInputs.ts
index 9187245b98dd..a689ae86c303 100644
--- a/Tasks/DotNetCoreCLI/Tests/validInputs.ts
+++ b/Tasks/DotNetCoreCLI/Tests/validInputs.ts
@@ -46,6 +46,6 @@ let a: ma.TaskLibAnswers = <ma.TaskLibAnswers>{
 };
 tmr.setAnswers(a);
 tmr.registerMock('vsts-task-lib/toolrunner', require('vsts-task-lib/mock-toolrunner'));
-tmr.registerMock('nuget-task-common/utility', require('./mock-findfiles'));
+tmr.registerMock('nuget-task-common/Utility', require('./mock-findfiles'));
 
 tmr.run();
\ No newline at end of file
diff --git a/Tasks/DotNetCoreCLI/dotnetcore.ts b/Tasks/DotNetCoreCLI/dotnetcore.ts
index 74a6183c3354..2847bb6c6938 100644
--- a/Tasks/DotNetCoreCLI/dotnetcore.ts
+++ b/Tasks/DotNetCoreCLI/dotnetcore.ts
@@ -1,7 +1,7 @@
 import tl = require("vsts-task-lib/task");
 import path = require("path");
 import fs = require("fs");
-import nutil = require("nuget-task-common/utility");
+import nutil = require("nuget-task-common/Utility");
 var archiver = require('archiver');
 
 export class dotNetExe {