diff --git a/plugin/someteam.example.com/v1/sedtransformer/SedTransformer b/plugin/someteam.example.com/v1/sedtransformer/SedTransformer
index 45a2ea49d..fb13ad384 100755
--- a/plugin/someteam.example.com/v1/sedtransformer/SedTransformer
+++ b/plugin/someteam.example.com/v1/sedtransformer/SedTransformer
@@ -2,10 +2,9 @@
 
 # Skip the config file name argument.
 shift
-
-args=""
-for arg in $@; do
-  args="$args -e $arg"
+args=()
+for arg in "$@"; do
+  args+=(-e "$arg")
 done
 
-cat - | sed $args
+sed "${args[@]}"