diff --git a/lib/puppet/provider/mongodb_database/mongodb.rb b/lib/puppet/provider/mongodb_database/mongodb.rb
index b96845216..74667682b 100644
--- a/lib/puppet/provider/mongodb_database/mongodb.rb
+++ b/lib/puppet/provider/mongodb_database/mongodb.rb
@@ -22,7 +22,7 @@ def self.instances
     catch (err) {
       rs.slaveOk()
     }
-    '
+    '.squeeze(" ")
     mongo_eval_result = mongo_eval("#{pre_cmd};JSON.stringify(db.getMongo().getDBs())")
     dbs = JSON.parse mongo_eval_result
 
diff --git a/spec/acceptance/server_spec.rb b/spec/acceptance/server_spec.rb
index e889254d2..2970acca5 100644
--- a/spec/acceptance/server_spec.rb
+++ b/spec/acceptance/server_spec.rb
@@ -25,6 +25,13 @@
     service_name = 'mongod'
     package_name = 'mongodb-org-server'
   end
+  major_version=fact('mongodb_version').split('.')[0].to_i
+  if major_version>=5
+    mongo_cli=mongosh
+  else
+    mongo_cli=mongo
+  end
+
 
   describe 'installation' do
     it 'works with no errors' do
@@ -143,7 +150,9 @@ class { 'mongodb::client': }
       its(:stdout) { is_expected.to match '13' }
     end
 
-    describe file('/root/.mongorc.js') do
+
+
+    describe file("/root/.#{mongo_cli}.js") do
       it { is_expected.to be_file }
       it { is_expected.to be_owned_by 'root' }
       it { is_expected.to be_grouped_into 'root' }
@@ -151,7 +160,7 @@ class { 'mongodb::client': }
       it { is_expected.to contain 'db.auth(\'admin\', \'password\')' }
     end
 
-    describe command("mongo admin --quiet --eval \"load('/root/.mongorc.js');printjson(db.getUser('admin')['customData'])\"") do
+    describe command("#{mongo_cli} admin --quiet --eval \"load('/root/.#{mongo_cli}.js');printjson(db.getUser('admin')['customData'])\"") do
       its(:exit_status) { is_expected.to eq 0 }
       its(:stdout) { is_expected.to match "{ \"createdBy\" : \"Puppet Mongodb_user['User admin on db admin']\" }\n" }
     end
diff --git a/spec/unit/puppet/provider/mongodb_database/mongodb_spec.rb b/spec/unit/puppet/provider/mongodb_database/mongodb_spec.rb
index c783d6898..dea509888 100644
--- a/spec/unit/puppet/provider/mongodb_database/mongodb_spec.rb
+++ b/spec/unit/puppet/provider/mongodb_database/mongodb_spec.rb
@@ -38,7 +38,21 @@
     tmp = Tempfile.new('test')
     mongodconffile = tmp.path
     allow(provider.class).to receive(:mongod_conf_file).and_return(mongodconffile)
-    allow(provider.class).to receive(:mongo_eval).with('try { rs.secondaryOk() } catch (err) { rs.slaveOk() };printjson(db.getMongo().getDBs())').and_return(raw_dbs)
+    mongodb_eval_command = '
+    try {
+      version=parseInt(db.version().split(\'.\')[0])
+      if (version>=5){
+        db.getMongo().setReadPref(\'nearest\')
+      }
+      else{
+        rs.secondaryOk()
+      }
+    }
+    catch (err) {
+      rs.slaveOk()
+    }
+    ;JSON.stringify(db.getMongo().getDBs())'.squeeze(" ")
+    allow(provider.class).to receive(:mongo_eval).with(mongodb_eval_command).and_return(raw_dbs)
     allow(provider.class).to receive(:db_ismaster).and_return(true)
   end