diff --git a/Gruntfile.js b/Gruntfile.js
index 75e0c59..032d850 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -73,6 +73,9 @@ module.exports = function (grunt) {
 			if (options.changes) {
 				args.push('--changes');
 			}
+			if (options.gitRemote) {
+				args.push('--git-remote', options.gitRemote);
+			}
 			if (options.debug) {
 				args.push('--debug');
 			}
diff --git a/src/index.ts b/src/index.ts
index 5a8eb20..564d120 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,6 +18,9 @@ optimist.boolean('single-thread');
 optimist.boolean('changes');
 optimist.default('changes', false);
 
+optimist.string('git-remote');
+optimist.default('git-remote', 'origin');
+
 optimist.boolean('dry');
 optimist.default('dry', false);
 
@@ -91,6 +94,7 @@ new TestRunner({
 	tslintConfig: path.join(path.dirname(testerPkgPath), 'conf', 'tslint.json'),
 
 	changes: (testFull ? false : argv['changes']),
+	gitRemote: argv['git-remote'],
 	tests: argv['dry'] ? false : argv['tests'],
 	lint: argv['dry'] ? false : argv['lint'],
 	headers: argv['dry'] ? false : argv['headers'],
diff --git a/src/test/ITestOptions.ts b/src/test/ITestOptions.ts
index 371e0d3..f9df8f2 100644
--- a/src/test/ITestOptions.ts
+++ b/src/test/ITestOptions.ts
@@ -6,6 +6,7 @@ export interface ITestOptions {
 	tslintConfig: string;
 
 	changes: boolean;
+	gitRemote: string;
 	tests: boolean;
 	lint: boolean;
 	headers: boolean;
diff --git a/src/test/TestRunner.ts b/src/test/TestRunner.ts
index c1b8b59..fe44839 100644
--- a/src/test/TestRunner.ts
+++ b/src/test/TestRunner.ts
@@ -46,7 +46,7 @@ export default class TestRunner {
 		this.options = options;
 
 		this.index = new FileIndex(this.options);
-		this.changes = new GitChanges(this.options.dtPath);
+		this.changes = new GitChanges(this.options.dtPath, this.options.gitRemote);
 
 		let tscVersion = 'unknown';
 		try {
diff --git a/src/util/GitChanges.ts b/src/util/GitChanges.ts
index c2c6147..369becb 100644
--- a/src/util/GitChanges.ts
+++ b/src/util/GitChanges.ts
@@ -8,20 +8,23 @@ import * as util from './util';
 export default class GitChanges {
 
 	private dtPath: string;
+	private remote: string;
 
-	constructor(dtPath: string) {
+	constructor(dtPath: string, remote: string) {
 		this.dtPath = dtPath;
+		this.remote = remote;
 	}
 
 	public readChanges(): Promise<string[]> {
 		let dir = path.join(this.dtPath, '.git');
+		const remote = this.remote;
 
 		return util.fileExists(dir).then((exists) => {
 			if (!exists) {
 				throw new Error('cannot locate git-dir: ' + dir);
 			}
 			return new Promise<string[]>((resolve: (result: string[]) => void, reject: (error: any) => void) => {
-				let args = ['--name-only HEAD~1'];
+				let args = ['--name-only ' + remote];
 				let opts = {};
 				let git = new Git({
 					'git-dir': dir