diff --git a/README.md b/README.md
index 2c8958c04..a336a4e50 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ Combine values using `join('')`.
 
 ```js
 var rgbToHex = (r, g, b) =>
-  [r.toString(16).padStart(2,'0') , g.toString(16).padStart(2,'0') , b.toString(16).padStart(2,'0')].join('');
+  [r,g,b].map( v => v.toString(16).padStart(2,'0')).join('');
 ```
 
 ### Sort characters in string (alphabetical)
diff --git a/snippets/RGB-to-hexadecimal.md b/snippets/RGB-to-hexadecimal.md
index 11520c8e9..7c804c8e6 100644
--- a/snippets/RGB-to-hexadecimal.md
+++ b/snippets/RGB-to-hexadecimal.md
@@ -5,5 +5,5 @@ Combine values using `join('')`.
 
 ```js
 var rgbToHex = (r, g, b) =>
-  [r.toString(16).padStart(2,'0') , g.toString(16).padStart(2,'0') , b.toString(16).padStart(2,'0')].join('');
+  [r,g,b].map( v => v.toString(16).padStart(2,'0')).join('');
 ```