diff --git a/.gitignore b/.gitignore
index 80ccbefba..cf5051fae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@ missing
 /m4/ltsugar.m4
 /m4/ltversion.m4
 /m4/lt~obsolete.m4
+/m4/pkg.m4
 .libs/
 *.la
 *.lo