diff --git a/packages/transformers/src/operations/transformer.js b/packages/transformers/src/operations/transformer.js
index 36a07193..59df39dd 100644
--- a/packages/transformers/src/operations/transformer.js
+++ b/packages/transformers/src/operations/transformer.js
@@ -15,7 +15,7 @@ export const transformerWithArg = (func, name, value, args) => {
     const arg = args.find(a => a.name === name);
 
     if (!arg) {
-        throw new Error('Invalid Argument for ${name}');
+        throw new Error(`Invalid Argument for ${name}`);
     }
 
     return new Promise((resolve, reject) => {
@@ -36,7 +36,7 @@ export const transformerWithTwoArgs = (func, name1, name2, value, args) => {
     const arg2 = args.find(a => a.name === name2);
 
     if (!arg1 || !arg2) {
-        throw new Error('Invalid Argument for ${name1} or ${name2}');
+        throw new Error(`Invalid Argument for ${name1} or ${name2}`);
     }
 
     return new Promise((resolve, reject) => {
@@ -56,7 +56,7 @@ export const rawTransformerWithArg = (func, name, value, args) => {
     const arg = args.find(a => a.name === name);
 
     if (!arg) {
-        throw new Error('Invalid Argument for ${name}');
+        throw new Error(`Invalid Argument for ${name}`);
     }
 
     return new Promise((resolve, reject) => {
@@ -68,12 +68,10 @@ export const rawTransformerWithArg = (func, name, value, args) => {
     });
 };
 
-export const rawTransformerWithoutArg = (func, value) => {
-    return new Promise((resolve, reject) => {
-        try {
-            resolve(func(value));
-        } catch (error) {
-            reject(error);
-        }
-    });
-};
+export const rawTransformerWithoutArg = (func, value) => new Promise((resolve, reject) => {
+    try {
+        resolve(func(value));
+    } catch (error) {
+        reject(error);
+    }
+});