diff --git a/src/oebuild/configure.py b/src/oebuild/configure.py
index ba818847a3e36999514e84a9c3addd63420b0f94..fffb2bd393a783562c2267133f130bb3b1997f81 100644
--- a/src/oebuild/configure.py
+++ b/src/oebuild/configure.py
@@ -77,7 +77,7 @@ class Configure:
         cur_dir = pathlib.Path(start or os.getcwd())
 
         while True:
-            if (cur_dir / '.oebuild').is_dir():
+            if (cur_dir / '.oebuild/config').is_file():
                 return os.fspath(cur_dir)
 
             parent_dir = cur_dir.parent