diff --git a/Tasks/DotNetCoreCLIV2/Tests/L0.ts b/Tasks/DotNetCoreCLIV2/Tests/L0.ts
index eec3247855e1..c1833ea3006f 100644
--- a/Tasks/DotNetCoreCLIV2/Tests/L0.ts
+++ b/Tasks/DotNetCoreCLIV2/Tests/L0.ts
@@ -208,7 +208,7 @@ describe('DotNetCoreExe Suite', function () {
         assert(tr.failed, 'task should have failed');
     });
 
-    it('test throws warning when zero match found', async () => {
+    it('test fails when zero match found', async () => {
         process.env["__projects__"] = "*fail*/project.json";
         process.env["__command__"] = "test";
         let tp = path.join(__dirname, 'validInputs.js')
@@ -216,8 +216,7 @@ describe('DotNetCoreExe Suite', function () {
         await tr.runAsync();
 
         assert(tr.invokedToolCount == 0, 'should not have invoked tool');
-        assert(tr.succeeded, 'task should have succeeded');
-        assert(tr.warningIssues && tr.warningIssues.length, 'Should have thrown a warning in the stream');
+        assert(tr.failed, 'task should have failed');
     });
 
     it('publish works with explicit project files setting modifyoutput to false', async () => {
diff --git a/Tasks/DotNetCoreCLIV2/dotnetcore.ts b/Tasks/DotNetCoreCLIV2/dotnetcore.ts
index 25c60249b25f..567d19d4964f 100644
--- a/Tasks/DotNetCoreCLIV2/dotnetcore.ts
+++ b/Tasks/DotNetCoreCLIV2/dotnetcore.ts
@@ -178,8 +178,7 @@ export class dotNetExe {
         // Use empty string when no project file is specified to operate on the current directory
         const projectFiles = this.getProjectFiles();
         if (projectFiles.length === 0) {
-            tl.warning(tl.loc('noProjectFilesFound'));
-            return;
+            throw tl.loc('noProjectFilesFound');
         }
 
         const failedProjects: string[] = [];