diff --git a/generators/app/index.js b/generators/app/index.js
index fbb98a7..c6abcf2 100644
--- a/generators/app/index.js
+++ b/generators/app/index.js
@@ -25,49 +25,6 @@ module.exports = generator.Base.extend({
     this.sourceRoot(baseRootPath);
 
     this.config.save();
-
-    this.postcssConfig = function() {
-      let esprima = require('esprima');
-      let walk = require('esprima-walk');
-      let escodegen = require('escodegen');
-
-      let baseConfigPath = path.join(this.destinationRoot(), 'cfg/base.js');
-
-      let css = '/\\.css$/';
-      let cssDialects = ['/\\.sass/', '/\\.scss/', '/\\.less/', '/\\.styl/'];
-
-      let postcss = 'var postcss = { postcss: function() { return []; } }';
-      postcss = esprima.parse(postcss);
-      postcss = postcss.body[0].declarations[0].init.properties[0];
-
-      let data = fs.readFileSync(baseConfigPath, 'utf8');
-      let parsed = esprima.parse(data);
-
-      walk.walkAddParent(parsed, function(node) {
-        if(node.type === 'AssignmentExpression' && node.left.object.name === 'module') {
-          node.right.properties.push(postcss);
-        }
-
-        if(node.type === 'Property' && node.key.name === 'test') {
-          if(cssDialects.indexOf(node.value.raw) > -1) {
-            let current = node.parent.properties[1].value.value;
-            current += '!postcss-loader';
-
-            node.parent.properties[1].value.value = current;
-          }
-
-          if(node.value.raw === css) {
-            let current = 'style-loader!css-loader!postcss-loader';
-
-            node.parent.properties[1].value.value = current;
-          }
-        }
-      });
-
-      let options = { format: { indent: { style: '  ' } } };
-      let code = escodegen.generate(parsed, options);
-      fs.writeFileSync(baseConfigPath, code, 'utf8');
-    }
   },
 
   initializing: function() {
@@ -178,7 +135,8 @@ module.exports = generator.Base.extend({
 
   install: function() {
     if(this.postcss) {
-      this.postcssConfig();
+      let postcss = require('./postcss');
+      postcss.write(path.join(this.destinationRoot(), 'cfg/base.js'));
     }
 
     if(!this.options['skip-install']) {
diff --git a/generators/app/postcss.js b/generators/app/postcss.js
new file mode 100644
index 0000000..b56ed73
--- /dev/null
+++ b/generators/app/postcss.js
@@ -0,0 +1,47 @@
+'use strict';
+let fs = require('fs');
+let esprima = require('esprima');
+let walk = require('esprima-walk');
+let escodegen = require('escodegen');
+
+module.exports = {
+  write: function(path) {
+    let baseConfigPath = path;
+
+    let css = '/\\.css$/';
+    let cssDialects = ['/\\.sass/', '/\\.scss/', '/\\.less/', '/\\.styl/'];
+
+    let postcss = 'var postcss = { postcss: function() { return []; } }';
+    postcss = esprima.parse(postcss);
+    postcss = postcss.body[0].declarations[0].init.properties[0];
+
+    let data = fs.readFileSync(baseConfigPath, 'utf8');
+    let parsed = esprima.parse(data);
+
+    walk.walkAddParent(parsed, function(node) {
+      if(node.type === 'AssignmentExpression' && node.left.object.name === 'module') {
+        node.right.properties.push(postcss);
+      }
+
+      if(node.type === 'Property' && node.key.name === 'test') {
+        if(cssDialects.indexOf(node.value.raw) > -1) {
+          let current = node.parent.properties[1].value.value;
+          current += '!postcss-loader';
+
+          node.parent.properties[1].value.value = current;
+        }
+
+        if(node.value.raw === css) {
+          let current = 'style-loader!css-loader!postcss-loader';
+
+          node.parent.properties[1].value.value = current;
+        }
+      }
+    });
+
+    let options = { format: { indent: { style: '  ' } } };
+    let code = escodegen.generate(parsed, options);
+    fs.writeFileSync(baseConfigPath, code, 'utf8');
+
+  }
+}