diff --git a/.gitignore b/.gitignore
index 8c8784a26..048845bda 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@ MODULES
 Makefile
 
 src/autom4te.cache
+src/config.log
 
 regressions/*.lsp
 regressions/eformat-tests/*.txt