diff --git a/blueprintcompiler/interactive_port.py b/blueprintcompiler/interactive_port.py
index 12dd485..8005e9e 100644
--- a/blueprintcompiler/interactive_port.py
+++ b/blueprintcompiler/interactive_port.py
@@ -266,6 +266,7 @@ blueprints = custom_target('blueprints',
 arguments in {Colors.UNDERLINE}{meson_file}{Colors.NO_UNDERLINE}:{Colors.CLEAR}
 
 dependencies: blueprints,
+source_dir: meson.current_build_dir(),
     """
                     )
                     enter()