diff --git a/scripts/convert_svgo.sh b/scripts/convert_svgo.sh
index 741cbc33..ef2a34f4 100755
--- a/scripts/convert_svgo.sh
+++ b/scripts/convert_svgo.sh
@@ -7,7 +7,7 @@
 
 create_js_file()
 {
-  cat <<EOF
+  cat << "EOF"
 /*
  * Copyright (c) 2016, Globo.com (https://github.com/globocom)
  *
@@ -34,7 +34,7 @@ fi
 
 eval "node_modules/.bin/svgo -q $1";
 
-SVG_CONTENT=`cat $1 | sed 's#xmlns="http://www.w3.org/2000/svg"##g' | sed 's#fill-rule#fillRule#g'`;
+SVG_CONTENT=$(cat $1 | sed 's#xmlns="http://www.w3.org/2000/svg"##g' | sed 's#fill-rule#fillRule#g')
 create_js_file > $JS_OUTPUT;
 
 if [ ! -f "src/styles/icons/$SVG_FILE" ]; then