diff --git a/README.md b/README.md
index ef501b2..b6fd3f6 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ nodejs_package_json_path: ""
 Set a path pointing to a particular `package.json` (e.g. `"/var/www/app/package.json"`). This will install all of the defined packages globally using Ansible's `npm` module.
 
 ```yaml
-nodejs_generate_etc_profile: "true"
+nodejs_generate_etc_profile: true
 ```
     
 By default the role will create `/etc/profile.d/npm.sh` with exported variables (`PATH`, `NPM_CONFIG_PREFIX`, `NODE_PATH`). If you prefer to avoid generating that file (e.g. you want to set the variables yourself for a non-global install), set it to "false".
diff --git a/defaults/main.yml b/defaults/main.yml
index 4192791..bffbe14 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -28,4 +28,4 @@ nodejs_package_json_path: ""
 
 # Whether or not /etc/profile.d/npm.sh (globa) must be generated.
 # Set to false if you need to handle this manually with a per-user install.
-nodejs_generate_etc_profile: "true"
+nodejs_generate_etc_profile: true
diff --git a/tasks/main.yml b/tasks/main.yml
index 42d5a02..a15ce75 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -40,4 +40,4 @@
 - name: Install packages defined in a given package.json.
   npm:
     path: "{{ nodejs_package_json_path }}"
-  when: nodejs_package_json_path is defined and nodejs_package_json_path
+  when: nodejs_package_json_path is defined and nodejs_package_json_path | bool