From 497e0178ccf2878606db9730e944fa5c90078cec Mon Sep 17 00:00:00 2001
From: Victor Berchet <victor@suumit.com>
Date: Wed, 30 Aug 2017 16:46:30 -0700
Subject: [PATCH] fix(compiler): normalize the locale name (#18963)

PR Close #18963
---
 packages/compiler/src/aot/compiler.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/compiler/src/aot/compiler.ts b/packages/compiler/src/aot/compiler.ts
index 03b1e34aac..14bbea9df3 100644
--- a/packages/compiler/src/aot/compiler.ts
+++ b/packages/compiler/src/aot/compiler.ts
@@ -257,9 +257,10 @@ export class AotCompiler {
     const providers: CompileProviderMetadata[] = [];
 
     if (this._localeId) {
+      const normalizedLocale = this._localeId.replace(/_/g, '-');
       providers.push({
         token: createTokenForExternalReference(this._reflector, Identifiers.LOCALE_ID),
-        useValue: this._localeId,
+        useValue: normalizedLocale,
       });
     }