diff --git a/packages/angular_devkit/build_angular/src/builders/browser-esbuild/schema.json b/packages/angular_devkit/build_angular/src/builders/browser-esbuild/schema.json
index 3dc7268463a0..0786d97d81be 100644
--- a/packages/angular_devkit/build_angular/src/builders/browser-esbuild/schema.json
+++ b/packages/angular_devkit/build_angular/src/builders/browser-esbuild/schema.json
@@ -399,7 +399,7 @@
           "required": ["input"]
         },
         {
-          "const": "false",
+          "const": false,
           "description": "Does not generate an `index.html` file."
         }
       ]