diff --git a/recipes/pam.rb b/recipes/pam.rb
index dce11b2b..eb3a9877 100644
--- a/recipes/pam.rb
+++ b/recipes/pam.rb
@@ -92,7 +92,7 @@
   end
 
   execute 'update-pam' do
-    command 'pam-auth-update --package'
+    command '/usr/sbin/pam-auth-update --package'
   end
 
   # do config for rhel-family