diff --git a/autocmake/extract.py b/autocmake/extract.py
index 5213ae5..4595f90 100644
--- a/autocmake/extract.py
+++ b/autocmake/extract.py
@@ -20,8 +20,8 @@ def to_d(l):
     """
     _d = {}
     for x in l:
-       for k, v in x.items():
-           _d[k] = v
+        for k, v in x.items():
+            _d[k] = v
     return _d