diff --git a/extra/atk/build b/extra/atk/build
index 5ed96b1b..f16bc3e8 100755
--- a/extra/atk/build
+++ b/extra/atk/build
@@ -3,7 +3,8 @@
 export DESTDIR="$1"
 
 # Don't build tests.
-sed -i "/subdir('tests')/d" meson.build
+sed "/subdir('tests')/d" meson.build > _
+mv -f _ meson.build
 
 meson \
     --prefix=/usr \