diff --git a/orcli b/orcli
index 51d5bf6..967bd5f 100755
--- a/orcli
+++ b/orcli
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# This script was generated by bashly 1.1.2 (https://bashly.dannyb.co)
+# This script was generated by bashly 1.1.3 (https://bashly.dannyb.co)
 # Modifying it manually is not recommended
 
 # :wrapper.bash3_bouncer
@@ -2264,7 +2264,7 @@ orcli_transform_command() {
           array[expression]="${array[expression]//$'\n'/}"
           # prepare curl options
           mapfile -t curloptions < <(for K in "${!array[@]}"; do
-              echo "--data"
+              echo "--data-urlencode"
               echo "$K=${array[$K]}"
           done)
           # get csrf token and post data to it's individual endpoint
diff --git a/src/transform_command.sh b/src/transform_command.sh
index 3fec410..d1d59dc 100644
--- a/src/transform_command.sh
+++ b/src/transform_command.sh
@@ -88,7 +88,7 @@ for i in "${!files[@]}"; do
         array[expression]="${array[expression]//$'\n'/}"
         # prepare curl options
         mapfile -t curloptions < <(for K in "${!array[@]}"; do
-            echo "--data"
+            echo "--data-urlencode"
             echo "$K=${array[$K]}"
         done)
         # get csrf token and post data to it's individual endpoint
diff --git a/tests/transform-bracket.sh b/tests/transform-bracket.sh
new file mode 100644
index 0000000..f35cbbc
--- /dev/null
+++ b/tests/transform-bracket.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+t="transform-bracket"
+
+# create tmp directory
+tmpdir="$(mktemp -d)"
+trap '{ rm -rf "${tmpdir}"; }' 0 2 3 15
+
+# assertion
+cat << "DATA" > "${tmpdir}/${t}.assert"
+email	name	test	state	gender	purchase
+danny.baron@example1.com	Danny Baron	(Danny Baron)	CA	M	TV
+melanie.white@example2.edu	Melanie White	(Melanie White)	NC	F	iPhone
+danny.baron@example1.com	D. Baron	(D. Baron)	CA	M	Winter jacket
+ben.tyler@example3.org	Ben Tyler	(Ben Tyler)	NV	M	Flashlight
+arthur.duff@example4.com	Arthur Duff	(Arthur Duff)	OR	M	Dining table
+danny.baron@example1.com	Daniel Baron	(Daniel Baron)	CA	M	Bike
+jean.griffith@example5.org	Jean Griffith	(Jean Griffith)	WA	F	Power drill
+melanie.white@example2.edu	Melanie White	(Melanie White)	NC	F	iPad
+ben.morisson@example6.org	Ben Morisson	(Ben Morisson)	FL	M	Amplifier
+arthur.duff@example4.com	Arthur Duff	(Arthur Duff)	OR	M	Night table
+DATA
+
+# transform
+cat << "DATA" > "${tmpdir}/${t}.history"
+[
+  {
+    "op": "core/column-addition",
+    "engineConfig": {
+      "facets": [],
+      "mode": "row-based"
+    },
+    "baseColumnName": "name",
+    "expression": "grel:forNonBlank(value, x, '(' + x + ')', null)",
+    "newColumnName": "test",
+    "columnInsertIndex": 2
+  }
+]
+DATA
+
+# action
+cd "${tmpdir}" || exit 1
+orcli import csv "https://git.io/fj5hF" --projectName "duplicates"
+orcli transform "duplicates" "${t}.history"
+orcli export tsv "duplicates" --output "${t}.output"
+
+# test
+diff -u "${t}.assert" "${t}.output"