diff --git a/autoformat.sh b/autoformat.sh
index 5b4bf14..a921ae5 100755
--- a/autoformat.sh
+++ b/autoformat.sh
@@ -19,5 +19,5 @@ OPTS=( --mode=java -xc --style=google -j -s2 -xG -S -K -N -xn -xl -n -p -H )
 GLOB=( src/**/*.java )
 astyle $OPTS $GLOB|\grep -P '^(?!Unchanged)'
 # Get rid of newlines
-sed -i'' '/^\s*$/d' $GLOB
+perl -ni'' -e '/^\s*$/ || print' $GLOB
 \cd ->/dev/null