diff --git a/socon_embedded/executor/app_executor.py b/socon_embedded/executor/app_executor.py
index 786eb2c..0902538 100644
--- a/socon_embedded/executor/app_executor.py
+++ b/socon_embedded/executor/app_executor.py
@@ -108,7 +108,7 @@ def build(
             for build_config in build_configs:
 
                 # Run the build config tasks
-                task_player.run(build_config.tasks)
+                task_player.run(build_config.builder.tasks)
 
                 # Create a build info object
                 build_info = build_config.create_buildinfo()
@@ -150,7 +150,7 @@ def build(
 
                 # Run the post build configs only if we decided not to stop
                 # building.
-                task_player.run(build_config.post_tasks)
+                task_player.run(build_config.builder.post_tasks)
 
             # Run the post application config tasks
             task_player.run(app_config.post_tasks)