diff --git a/tasks/main.yml b/tasks/main.yml
index 5e721ce..00ec4b0 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -58,5 +58,5 @@
   register: ruby_selected
 
 - name: ensure default ruby is selected
-  command: "{{ ruby_rvm_install_path }}/bin/rvm use ruby-{{ ruby_version }}"
+  command: "{{ ruby_rvm_install_path }}/bin/rvm --default use {{ ruby_version }}"
   when: ruby_selected.stdout == '' or ruby_version not in ruby_selected.stdout
\ No newline at end of file