diff --git a/modules/swagger-codegen/src/main/resources/Javascript-es6/package.mustache b/modules/swagger-codegen/src/main/resources/Javascript-es6/package.mustache
index 75ee4ebe252..0998928468f 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript-es6/package.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript-es6/package.mustache
@@ -7,6 +7,9 @@
   "scripts": {
     "test": "mocha --compilers js:babel-core/register --recursive"
   },
+  "browser": {
+    "fs": false
+  },
   "dependencies": {
     "babel": "^6.23.0",
     "babel-cli": "^6.24.1",
diff --git a/modules/swagger-codegen/src/main/resources/Javascript/package.mustache b/modules/swagger-codegen/src/main/resources/Javascript/package.mustache
index 8922c22b72d..bdb18166c75 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/package.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/package.mustache
@@ -7,6 +7,9 @@
   "scripts": {
     "test": "./node_modules/mocha/bin/mocha --recursive"
   },
+  "browser": {
+    "fs": false
+  },
   "dependencies": {
     "superagent": "3.5.2"
   },
diff --git a/samples/client/petstore-security-test/javascript/package.json b/samples/client/petstore-security-test/javascript/package.json
index f0e7cd77493..9bb9f494674 100644
--- a/samples/client/petstore-security-test/javascript/package.json
+++ b/samples/client/petstore-security-test/javascript/package.json
@@ -7,6 +7,9 @@
   "scripts": {
     "test": "./node_modules/mocha/bin/mocha --recursive"
   },
+  "browser": {
+    "fs": false
+  },
   "dependencies": {
     "superagent": "3.5.2"
   },
diff --git a/samples/client/petstore/javascript-es6/package.json b/samples/client/petstore/javascript-es6/package.json
index b7f9daa0ab5..881163c02f4 100644
--- a/samples/client/petstore/javascript-es6/package.json
+++ b/samples/client/petstore/javascript-es6/package.json
@@ -7,6 +7,9 @@
   "scripts": {
     "test": "./node_modules/mocha/bin/mocha --recursive"
   },
+  "browser": {
+    "fs": false
+  },
   "dependencies": {
     "superagent": "3.5.2"
   },
diff --git a/samples/client/petstore/javascript-promise-es6/package.json b/samples/client/petstore/javascript-promise-es6/package.json
index b7f9daa0ab5..881163c02f4 100644
--- a/samples/client/petstore/javascript-promise-es6/package.json
+++ b/samples/client/petstore/javascript-promise-es6/package.json
@@ -7,6 +7,9 @@
   "scripts": {
     "test": "./node_modules/mocha/bin/mocha --recursive"
   },
+  "browser": {
+    "fs": false
+  },
   "dependencies": {
     "superagent": "3.5.2"
   },
diff --git a/samples/client/petstore/javascript-promise/package.json b/samples/client/petstore/javascript-promise/package.json
index b7f9daa0ab5..881163c02f4 100644
--- a/samples/client/petstore/javascript-promise/package.json
+++ b/samples/client/petstore/javascript-promise/package.json
@@ -7,6 +7,9 @@
   "scripts": {
     "test": "./node_modules/mocha/bin/mocha --recursive"
   },
+  "browser": {
+    "fs": false
+  },
   "dependencies": {
     "superagent": "3.5.2"
   },
diff --git a/samples/client/petstore/javascript/package.json b/samples/client/petstore/javascript/package.json
index b7f9daa0ab5..881163c02f4 100644
--- a/samples/client/petstore/javascript/package.json
+++ b/samples/client/petstore/javascript/package.json
@@ -7,6 +7,9 @@
   "scripts": {
     "test": "./node_modules/mocha/bin/mocha --recursive"
   },
+  "browser": {
+    "fs": false
+  },
   "dependencies": {
     "superagent": "3.5.2"
   },