diff --git a/.gitignore b/.gitignore
index 5122237..d4c9ec0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ Cargo.lock
 boost_voronoi_c++.dia~
 compare_cpp.txt
 compare_rust.txt
+issue_43_1.txt