diff --git a/examples/safe-string.js b/examples/safe-string.js
index 7a83653..9899487 100644
--- a/examples/safe-string.js
+++ b/examples/safe-string.js
@@ -37,7 +37,7 @@ console.log('Setting themes is useful');
 // Load theme with JSON literal
 colors.setTheme({
   silly: 'rainbow',
-  input: 'grey',
+  input: 'blue',
   verbose: 'cyan',
   prompt: 'grey',
   info: 'green',
@@ -54,14 +54,14 @@ console.log(colors.error('this is an error'));
 // outputs yellow text
 console.log(colors.warn('this is a warning'));
 
-// outputs grey text
+// outputs blue text
 console.log(colors.input('this is an input'));
 
 
 // console.log('Generic logging theme as file'.green.bold.underline);
 
 // Load a theme from file
-colors.setTheme(__dirname + '/../themes/generic-logging.js');
+colors.setTheme(require(__dirname + '/../themes/generic-logging.js'));
 
 // outputs red text
 console.log(colors.error('this is an error'));
diff --git a/index.d.ts b/index.d.ts
index faa9ab6..baa7068 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -116,8 +116,8 @@ declare global {
         bgCyan: string;
         bgWhite: string;
 
-	reset: string;
-	// @ts-ignore
+        reset: string;
+        // @ts-ignore
         bold: string;
         dim: string;
         italic: string;
diff --git a/lib/colors.js b/lib/colors.js
index 74272ba..7ca90fa 100644
--- a/lib/colors.js
+++ b/lib/colors.js
@@ -185,10 +185,10 @@ colors.zalgo = require('./custom/zalgo');
 
 // maps
 colors.maps = {};
-colors.maps.america = require('./maps/america');
-colors.maps.zebra = require('./maps/zebra');
-colors.maps.rainbow = require('./maps/rainbow');
-colors.maps.random = require('./maps/random');
+colors.maps.america = require('./maps/america')(colors);
+colors.maps.zebra = require('./maps/zebra')(colors);
+colors.maps.rainbow = require('./maps/rainbow')(colors);
+colors.maps.random = require('./maps/random')(colors);
 
 for (var map in colors.maps) {
   (function(map) {
diff --git a/lib/maps/america.js b/lib/maps/america.js
index 8670052..dc96903 100644
--- a/lib/maps/america.js
+++ b/lib/maps/america.js
@@ -1,6 +1,4 @@
-var colors = require('../colors');
-
-module['exports'] = (function() {
+module['exports'] = function(colors) {
   return function(letter, i, exploded) {
     if (letter === ' ') return letter;
     switch (i%3) {
@@ -9,4 +7,4 @@ module['exports'] = (function() {
       case 2: return colors.blue(letter);
     }
   };
-})();
+};
diff --git a/lib/maps/rainbow.js b/lib/maps/rainbow.js
index 4e7ef00..2b00ac0 100644
--- a/lib/maps/rainbow.js
+++ b/lib/maps/rainbow.js
@@ -1,6 +1,4 @@
-var colors = require('../colors');
-
-module['exports'] = (function() {
+module['exports'] = function(colors) {
   // RoY G BiV
   var rainbowColors = ['red', 'yellow', 'green', 'blue', 'magenta'];
   return function(letter, i, exploded) {
@@ -10,5 +8,5 @@ module['exports'] = (function() {
       return colors[rainbowColors[i++ % rainbowColors.length]](letter);
     }
   };
-})();
+};
 
diff --git a/lib/maps/random.js b/lib/maps/random.js
index 88219da..cf93df2 100644
--- a/lib/maps/random.js
+++ b/lib/maps/random.js
@@ -1,6 +1,4 @@
-var colors = require('../colors');
-
-module['exports'] = (function() {
+module['exports'] = function(colors) {
   var available = ['underline', 'inverse', 'grey', 'yellow', 'red', 'green',
     'blue', 'white', 'cyan', 'magenta'];
   return function(letter, i, exploded) {
@@ -9,4 +7,4 @@ module['exports'] = (function() {
         available[Math.round(Math.random() * (available.length - 2))]
       ](letter);
   };
-})();
+};
diff --git a/lib/maps/zebra.js b/lib/maps/zebra.js
index 28938c0..fa73623 100644
--- a/lib/maps/zebra.js
+++ b/lib/maps/zebra.js
@@ -1,5 +1,5 @@
-var colors = require('../colors');
-
-module['exports'] = function(letter, i, exploded) {
-  return i % 2 === 0 ? letter : colors.inverse(letter);
+module['exports'] = function(colors) {
+  return function(letter, i, exploded) {
+    return i % 2 === 0 ? letter : colors.inverse(letter);
+  };
 };