diff --git a/blueprintcompiler/interactive_port.py b/blueprintcompiler/interactive_port.py
index ffc4292..1286f0b 100644
--- a/blueprintcompiler/interactive_port.py
+++ b/blueprintcompiler/interactive_port.py
@@ -89,6 +89,8 @@ def listdir_recursive(subdir):
     for file in files:
         if file in ["_build", "build"]:
             continue
+        if file.startswith("."):
+            continue
         full = os.path.join(subdir, file)
         if full == "./subprojects":
             # skip the subprojects directory