diff --git a/packages/angular/build/src/tools/angular/compilation/aot-compilation.ts b/packages/angular/build/src/tools/angular/compilation/aot-compilation.ts
index a807e0ea791d..6618f00d25f4 100644
--- a/packages/angular/build/src/tools/angular/compilation/aot-compilation.ts
+++ b/packages/angular/build/src/tools/angular/compilation/aot-compilation.ts
@@ -155,6 +155,7 @@ export class AotCompilation extends AngularCompilation {
         if (relativePath.startsWith('..')) {
           relativePath = componentFilename;
         }
+        relativePath = relativePath.replaceAll('\\', '/');
         const updateId = encodeURIComponent(
           `${host.getCanonicalFileName(relativePath)}@${node.name?.text}`,
         );