diff --git a/.gitignore b/.gitignore
index c28e336018afac7ee112d39febd237d1beb60ae8..af93de508e8857e736e434b3057a700a50073096 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 MANIFEST
 *.pyc
 *.so
+/kwant/*.c
 /kwant/*/*.c
 /kwant/_static_version.py
 /build