diff --git a/tasks/main.yml b/tasks/main.yml
index 7e6a137..3068053 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -6,7 +6,7 @@
 
 # Include version-specific variables for RedHat.
 - name: Include OS-specific variables (RedHat).
-  include_vars: "{{ ansible_os_family }}-{{ ansible_lsb.major_release }}.yml"
+  include_vars: "{{ ansible_os_family }}-{{ ansible_distribution_version|slice(1) }}.yml"
   when: ansible_os_family == "RedHat"
 
 - name: Define mysql_packages.