diff --git a/packages/angular_devkit/build_angular/src/browser/schema.d.ts b/packages/angular_devkit/build_angular/src/browser/schema.d.ts
index 0cd707918eb2..fc4f700010e7 100644
--- a/packages/angular_devkit/build_angular/src/browser/schema.d.ts
+++ b/packages/angular_devkit/build_angular/src/browser/schema.d.ts
@@ -49,7 +49,7 @@ export interface BrowserBuilderSchema {
   /**
    * Replace files with other files in the build.
    */
-  fileReplacements: FileReplacements[];
+  fileReplacements: FileReplacement[];
 
   /**
    * Path where output will be placed.