diff --git a/build.sh b/build.sh
index 80f3485..c42d973 100644
--- a/build.sh
+++ b/build.sh
@@ -4,6 +4,8 @@ filename='mailhops'
 
 rm -f $filename.xpi
 
+find ./ -type f -name "._*" -exec rm {} \;
+
 mkdir build
 mkdir build/chrome