diff --git a/roles/modulefiles/tasks/main.yml b/roles/modulefiles/tasks/main.yml
index 7700d3b82cfd23a1e24f7eb73161bf89ed81458c..21070572bf34620c028e45bf9900b190ea98e32d 100644
--- a/roles/modulefiles/tasks/main.yml
+++ b/roles/modulefiles/tasks/main.yml
@@ -25,3 +25,4 @@
     line: /usr/local/Modules/modulefiles
   ignore_errors: true
   sudo: true
+  when: ansible_os_family == 'Debian'