diff --git a/.gitignore b/.gitignore
index afccd0b7b..dd65573ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,7 @@ submodules/externals/build/libvpx/arm
 submodules/externals/build/libvpx/x86
 submodules/externals/build/openh264/arm
 submodules/externals/build/openh264/x86
+submodules/externals/ffmpeg/arm/
 tests/*$py.class
 tests/build.xml
 tests/project.properties