diff --git a/manifests/profile/params.pp b/manifests/profile/params.pp
index 9b1927a1..1267d141 100644
--- a/manifests/profile/params.pp
+++ b/manifests/profile/params.pp
@@ -240,7 +240,8 @@ class ceph::profile::params (
   $fs_name = undef,
   $rbd_default_features = undef,
 ) {
-  validate_hash($client_keys)
+
+  validate_legacy(Hash, 'validate_hash', $client_keys)
 
   if $authentication_type == 'cephx' and empty($client_keys) {
     fail("client_keys must be provided when using authentication_type = 'cephx'")
diff --git a/spec/classes/ceph_profile_params_spec.rb b/spec/classes/ceph_profile_params_spec.rb
index 3b36f81c..6eb41512 100644
--- a/spec/classes/ceph_profile_params_spec.rb
+++ b/spec/classes/ceph_profile_params_spec.rb
@@ -28,7 +28,7 @@ describe 'ceph::profile::params' do
         }"
       end
 
-      it { should raise_error Puppet::Error, /is not a Hash/ }
+      it { should raise_error(Puppet::Error) }
     end
 
     describe "should fail when using cephx without client_keys" do