diff --git a/autocmake/external/__init__.py b/autocmake/external/__init__.py
index e69de29..6ff2a5b 100644
--- a/autocmake/external/__init__.py
+++ b/autocmake/external/__init__.py
@@ -0,0 +1 @@
+# empty - this line is here to avoid problem when fetching empty files from web