diff --git a/.gitignore b/.gitignore
index c122cd7044d0e8e5f7bef9f5ec48cbc9e82187e0..614b6ed7a0b1b63c7e7c9f32892cfd72d2926c80 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ linux-[234]
 linux-8bit-[234]
 sparc-[234]
 sparc-8bit-[234]
+build-*
 
 # Ignore files generated by TeX
 src/docs/cmu-user/*.aux