diff --git a/.gitignore b/.gitignore
index 1158ece..6f89994 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,3 +33,4 @@ libffi.xcodeproj/xcuserdata
 libffi.xcodeproj/project.xcworkspace
 build_*/
 darwin_*/
+src/arm/trampoline.S