diff --git a/karma.cloudinary-core.js b/karma.cloudinary-core.js
index 173b2b81..b0bc0d40 100644
--- a/karma.cloudinary-core.js
+++ b/karma.cloudinary-core.js
@@ -1,8 +1,8 @@
 // Karma configuration
 // Generated on Tue Jul 28 2015 09:31:57 GMT+0300 (IDT)
-let isProd = mode === 'production';
+let isProd = process.env.mode === 'production';
 let mode = isProd ? 'production' : 'development';
-console.log(`mode is ${mode}`);
+console.log(`Mode is ${mode}`);
 module.exports = function(config) {
   return config.set({
     // base path that will be used to resolve all patterns (eg. files, exclude)
diff --git a/karma.cloudinary-jquery-file-upload.js b/karma.cloudinary-jquery-file-upload.js
index 8a23416f..e58c36e9 100644
--- a/karma.cloudinary-jquery-file-upload.js
+++ b/karma.cloudinary-jquery-file-upload.js
@@ -1,8 +1,8 @@
 // Karma configuration
 // Generated on Tue Jul 28 2015 09:31:57 GMT+0300 (IDT)
-let isProd = mode === 'production';
+let isProd = process.env.mode === 'production';
 let mode = isProd ? 'production' : 'development';
-console.log(`mode is ${mode}`);
+console.log(`Mode is ${mode}`);
 module.exports = function(config) {
   return config.set({
     // base path that will be used to resolve all patterns (eg. files, exclude)
diff --git a/karma.cloudinary-jquery.js b/karma.cloudinary-jquery.js
index b675e478..0e043f4f 100644
--- a/karma.cloudinary-jquery.js
+++ b/karma.cloudinary-jquery.js
@@ -1,8 +1,8 @@
 // Karma configuration
 // Generated on Tue Jul 28 2015 09:31:57 GMT+0300 (IDT)
-let isProd = mode === 'production';
+let isProd = process.env.mode === 'production';
 let mode = isProd ? 'production' : 'development';
-console.log(`mode is ${mode}`);
+console.log(`Mode is ${mode}`);
 module.exports = function(config) {
   return config.set({
     // base path that will be used to resolve all patterns (eg. files, exclude)