diff --git a/packages/generators/generators/lib/plops/middleware.js b/packages/generators/generators/lib/plops/middleware.js
index 69b720c092..c0a6326165 100644
--- a/packages/generators/generators/lib/plops/middleware.js
+++ b/packages/generators/generators/lib/plops/middleware.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const getDestinationPrompts = require('./prompts/get-destination-prompts');
+const validateInput = require('./utils/validate-input');
 
 module.exports = plop => {
   // middleware generator
@@ -11,6 +12,7 @@ module.exports = plop => {
         type: 'input',
         name: 'name',
         message: 'Middleware name',
+        validate: input => validateInput(input),
       },
       ...getDestinationPrompts('middleware', plop.getDestBasePath(), { rootFolder: true }),
     ],
diff --git a/packages/generators/generators/lib/plops/plugin.js b/packages/generators/generators/lib/plops/plugin.js
index 3436479916..7077c3bcb0 100644
--- a/packages/generators/generators/lib/plops/plugin.js
+++ b/packages/generators/generators/lib/plops/plugin.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const chalk = require('chalk');
+const validateInput = require('./utils/validate-input');
 
 const logInstructions = pluginName => {
   const maxLength = `    resolve: './src/plugins/${pluginName}'`.length;
@@ -32,6 +33,7 @@ module.exports = plop => {
         type: 'input',
         name: 'pluginName',
         message: 'Plugin name',
+        validate: input => validateInput(input),
       },
     ],
     actions(answers) {
diff --git a/packages/generators/generators/lib/plops/policy.js b/packages/generators/generators/lib/plops/policy.js
index 57eb9d21a3..327acac5bc 100644
--- a/packages/generators/generators/lib/plops/policy.js
+++ b/packages/generators/generators/lib/plops/policy.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const getDestinationPrompts = require('./prompts/get-destination-prompts');
+const validateInput = require('./utils/validate-input');
 
 module.exports = plop => {
   // Policy generator
@@ -11,6 +12,7 @@ module.exports = plop => {
         type: 'input',
         name: 'id',
         message: 'Policy name',
+        validate: input => validateInput(input),
       },
       ...getDestinationPrompts('policy', plop.getDestBasePath(), { rootFolder: true }),
     ],