diff --git a/lib/cli/generators/ANGULAR/index.js b/lib/cli/generators/ANGULAR/index.js
index 6e91ee4abc2..bd33a360b3f 100644
--- a/lib/cli/generators/ANGULAR/index.js
+++ b/lib/cli/generators/ANGULAR/index.js
@@ -50,7 +50,7 @@ function editAngularAppTsConfig() {
     return;
   }
 
-  const { exclude } = tsConfigJson;
+  const { exclude = [] } = tsConfigJson;
   if (exclude.includes(glob)) {
     return;
   }