diff --git a/build/extlib/.gitignore b/build/extlib/.gitignore
index 1efb0a1c31..7e1e8ff26d 100644
--- a/build/extlib/.gitignore
+++ b/build/extlib/.gitignore
@@ -2,3 +2,4 @@
 GreenDroid/
 ActionBarSherlock/
 FacebookSDK/
+OI/