diff --git a/tasks/setup-Debian.yml b/tasks/setup-Debian.yml
index 130e772..e110e81 100644
--- a/tasks/setup-Debian.yml
+++ b/tasks/setup-Debian.yml
@@ -26,21 +26,21 @@
 
 - name: "Graylog server package should be installed"
   apt:
-    name: "graylog-server{% if graylog_full_version is defined %}={{ graylog_full_version }}{% endif %}"
+    name: "graylog-server{% if graylog_full_version is not none and graylog_full_version | length > 1 %}={{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: graylog_version is version('5.0', '<')
   notify: "restart graylog-server"
 
 - name: "Graylog Open server package should be installed"
   apt:
-    name: "graylog-server{% if graylog_full_version is defined %}={{ graylog_full_version }}{% endif %}"
+    name: "graylog-server{% if graylog_full_version is not none and graylog_full_version | length > 1 %}={{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_open_package | bool == true and graylog_install_enterprise_package | bool == false and graylog_version is version('5.0', '>='))
   notify: "restart graylog-server"
 
 - name: "Graylog Enterprise server package should be installed"
   apt:
-    name: "graylog-enterprise{% if graylog_full_version is defined %}={{ graylog_full_version }}{% endif %}"
+    name: "graylog-enterprise{% if graylog_full_version is not none and graylog_full_version | length > 1 %}={{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_open_package | bool == false and graylog_install_enterprise_package | bool == true and graylog_version is version('5.0', '>='))
   notify: "restart graylog-server"
@@ -54,21 +54,21 @@
 
 - name: "Installing graylog-enterprise-plugins"
   apt:
-    name: "graylog-enterprise-plugins{% if graylog_full_version is defined %}={{ graylog_full_version }}{% endif %}"
+    name: "graylog-enterprise-plugins{% if graylog_full_version is not none and graylog_full_version | length > 1 %}={{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_enterprise_plugins | bool == true and graylog_version is version('5.0', '<'))
   notify: restart graylog-server
 
 - name: "Installing graylog-integrations-plugins"
   apt:
-    name: "graylog-integrations-plugins{% if graylog_full_version is defined %}={{ graylog_full_version }}{% endif %}"
+    name: "graylog-integrations-plugins{% if graylog_full_version is not none and graylog_full_version | length > 1 %}={{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_integrations_plugins | bool == true and graylog_version is version('5.0', '<'))
   notify: restart graylog-server
 
 - name: "Installing graylog-enterprise-integrations-plugins"
   apt:
-    name: "graylog-enterprise-integrations-plugins{% if graylog_full_version is defined %}={{ graylog_full_version }}{% endif %}"
+    name: "graylog-enterprise-integrations-plugins{% if graylog_full_version is not none and graylog_full_version | length > 1 %}={{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_enterprise_integrations_plugins | bool == true and graylog_version is version('5.0', '<'))
   notify: restart graylog-server
diff --git a/tasks/setup-RedHat.yml b/tasks/setup-RedHat.yml
index 2dedad4..75fe48d 100644
--- a/tasks/setup-RedHat.yml
+++ b/tasks/setup-RedHat.yml
@@ -10,42 +10,42 @@
 
 - name: "Graylog server should be installed"
   yum:
-    name: "graylog-server{% if graylog_full_version is defined %}-{{ graylog_full_version }}{% endif %}"
+    name: "graylog-server{% if graylog_full_version is not none and graylog_full_version | length > 1 %}-{{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: graylog_version is version('5.0', '<')
   notify: "restart graylog-server"
 
 - name: "Graylog Open server package should be installed"
   yum:
-    name: "graylog-server{% if graylog_full_version is defined %}-{{ graylog_full_version }}{% endif %}"
+    name: "graylog-server{% if graylog_full_version is not none and graylog_full_version | length > 1 %}-{{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_open_package | bool == true and graylog_install_enterprise_package | bool == false and graylog_version is version('5.0', '>='))
   notify: "restart graylog-server"
 
 - name: "Graylog Enterprise server package should be installed"
   yum:
-    name: "graylog-enterprise{% if graylog_full_version is defined %}-{{ graylog_full_version }}{% endif %}"
+    name: "graylog-enterprise{% if graylog_full_version is not none and graylog_full_version | length > 1 %}-{{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_open_package | bool == false and graylog_install_enterprise_package | bool == true and graylog_version is version('5.0', '>='))
   notify: "restart graylog-server"
 
 - name: "Installing graylog-enterprise-plugins"
   yum:
-    name: "graylog-enterprise-plugins{% if graylog_full_version is defined %}-{{ graylog_full_version }}{% endif %}"
+    name: "graylog-enterprise-plugins{% if graylog_full_version is not none and graylog_full_version | length > 1 %}-{{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_enterprise_plugins | bool == true and graylog_version is version('5.0', '<'))
   notify: restart graylog-server
 
 - name: "Installing graylog-integrations-plugins"
   yum:
-    name: "graylog-integrations-plugins{% if graylog_full_version is defined %}-{{ graylog_full_version }}{% endif %}"
+    name: "graylog-integrations-plugins{% if graylog_full_version is not none and graylog_full_version | length > 1 %}-{{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_integrations_plugins | bool == true and graylog_version is version('5.0', '<'))
   notify: restart graylog-server
 
 - name: "Installing graylog-enterprise-integrations-plugins"
   yum:
-    name: "graylog-enterprise-integrations-plugins{% if graylog_full_version is defined %}-{{ graylog_full_version }}{% endif %}"
+    name: "graylog-enterprise-integrations-plugins{% if graylog_full_version is not none and graylog_full_version | length > 1 %}-{{ graylog_full_version }}{% endif %}"
     state: "{{ graylog_package_state }}"
   when: (graylog_install_enterprise_integrations_plugins | bool == true and graylog_version is version('5.0', '<'))
   notify: restart graylog-server