diff --git a/tasks/plugins.yml b/tasks/plugins.yml
index dbc2a2da..e2ea0ef4 100644
--- a/tasks/plugins.yml
+++ b/tasks/plugins.yml
@@ -5,7 +5,7 @@
     src: "{{ jenkins_admin_password_file }}"
   register: adminpasswordfile
   no_log: true
-  when: jenkins_admin_password_file | default(false)
+  when: jenkins_admin_password_file is defined and jenkins_admin_password_file != ""
   tags: ['skip_ansible_lint']
 
 - name: Set Jenkins admin password fact.
@@ -54,7 +54,7 @@
     url: "http://{{ jenkins_hostname }}:{{ jenkins_http_port }}{{ jenkins_url_prefix }}"
     with_dependencies: "{{ jenkins_plugins_install_dependencies }}"
   with_items: "{{ jenkins_plugins }}"
-  when: jenkins_admin_password | default(false)
+  when: jenkins_admin_password is defined and jenkins_admin_password != ""
   notify: restart jenkins
   tags: ['skip_ansible_lint']
   register: plugin_result
diff --git a/tasks/setup-Debian.yml b/tasks/setup-Debian.yml
index 07552ab9..0d0dde66 100644
--- a/tasks/setup-Debian.yml
+++ b/tasks/setup-Debian.yml
@@ -19,7 +19,7 @@
     repo: "{{ jenkins_repo_url }}"
     state: present
     update_cache: true
-  when: jenkins_repo_url | default(false)
+  when: jenkins_repo_url is defined and jenkins_repo_url != ""
   tags: ['skip_ansible_lint']
 
 - name: Download specific Jenkins version.
diff --git a/tasks/setup-RedHat.yml b/tasks/setup-RedHat.yml
index 22c9e6dc..31814349 100644
--- a/tasks/setup-RedHat.yml
+++ b/tasks/setup-RedHat.yml
@@ -12,13 +12,13 @@
   get_url:
     url: "{{ jenkins_repo_url }}"
     dest: /etc/yum.repos.d/jenkins.repo
-  when: jenkins_repo_url | default(false)
+  when: jenkins_repo_url is defined and jenkins_repo_url != ""
 
 - name: Add Jenkins repo GPG key.
   rpm_key:
     state: present
     key: "{{ jenkins_repo_key_url }}"
-  when: jenkins_repo_url | default(false)
+  when: jenkins_repo_url is defined and jenkins_repo_url != ""
 
 - name: Download specific Jenkins version.
   get_url: