diff --git a/.gitignore b/.gitignore
index 291b48d9..0b67cdf7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,9 @@
 *.inc
 *.inc.rule
 
+# ignore build files
+/build*
+
 *.pyc
 osdshim_wrap.cpp
 shim.py