diff --git a/lib/validate.js b/lib/validate.js
index de29d14..2f446bb 100644
--- a/lib/validate.js
+++ b/lib/validate.js
@@ -23,6 +23,9 @@ module.exports = {
 		// Make alias available as ${self:provider.alias}
 		this._serverless.service.provider.alias = this._alias;
 
+		// Set SERVERLESS_ALIAS environment variable to let other plugins access it during the build
+		process.env.SERVERLESS_ALIAS = this._alias;
+
 		// Parse and check plugin options
 		if (this._options['alias-resources']) {
 			this._aliasResources = true;
diff --git a/test/validate.test.js b/test/validate.test.js
index 3caba11..bf089d7 100644
--- a/test/validate.test.js
+++ b/test/validate.test.js
@@ -56,6 +56,11 @@ describe('#validate()', () => {
 		]));
 	});
 
+	it('should set SERVERLESS_ALIAS', () => {
+		return expect(awsAlias.validate()).to.eventually.be.fulfilled
+		.then(() => expect(process.env.SERVERLESS_ALIAS).to.equal('myStage'));
+	});
+
 	it('should succeed', () => {
 		return expect(awsAlias.validate()).to.eventually.be.fulfilled;
 	});