diff --git a/.gitignore b/.gitignore
index ce6a3c4b7..efb6cf096 100644
--- a/.gitignore
+++ b/.gitignore
@@ -138,4 +138,4 @@ Examples/test-suite/uffi/*/
 Examples/scratch
 
 # Out of source tree build directories
-_build*/
+*build*/