diff --git a/spec/classes/collectd_plugin_genericjmx_spec.rb b/spec/classes/collectd_plugin_genericjmx_spec.rb
index 96ff5b771..adc8cee2a 100644
--- a/spec/classes/collectd_plugin_genericjmx_spec.rb
+++ b/spec/classes/collectd_plugin_genericjmx_spec.rb
@@ -29,7 +29,7 @@
       should contain_concat__fragment('collectd_plugin_genericjmx_conf_header').with({
         :order   => '00',
         :target  => config_filename,
-        :content => /<Plugin "java">\s+LoadPlugin "org\.collectd\.java\.GenericJMX"\s+<Plugin "GenericJMX">/s
+        :content => /<Plugin "java">.+LoadPlugin "org\.collectd\.java\.GenericJMX".+<Plugin "GenericJMX">/m
       })
     end
 
@@ -37,7 +37,7 @@
       should contain_concat__fragment('collectd_plugin_genericjmx_conf_footer').with({
         :order   => '99',
         :target  => config_filename,
-        :content => %r{</Plugin>\s+</Plugin>}s,
+        :content => %r{</Plugin>.+</Plugin>}m,
       })
     end
 
@@ -55,7 +55,7 @@
   context 'jvmarg parameter array' do
     let (:params) {{ :jvmarg => %w{ foo bar baz } }}
     it 'should have multiple jvmarg parameters' do
-      should contain_concat__fragment('collectd_plugin_genericjmx_conf_header').with_content(/JVMArg "foo"\s*JVMArg "bar"\s*JVMArg "baz"/s)
+      should contain_concat__fragment('collectd_plugin_genericjmx_conf_header').with_content(/JVMArg "foo".*JVMArg "bar".*JVMArg "baz"/m)
     end
   end
 
@@ -65,7 +65,7 @@
       should contain_concat__fragment('collectd_plugin_genericjmx_conf_header').with_content(/JVMArg "bat"/)
     end
     it 'should have ONLY one jvmarg parameter' do
-      should contain_concat__fragment('collectd_plugin_genericjmx_conf_header').without_content(/(.*JVMArg.*){2,}/s)
+      should contain_concat__fragment('collectd_plugin_genericjmx_conf_header').without_content(/(.*JVMArg.*){2,}/m)
     end
   end
 
diff --git a/spec/classes/collectd_plugin_java_spec.rb b/spec/classes/collectd_plugin_java_spec.rb
index cc74f0bd0..ad5bb2fa7 100644
--- a/spec/classes/collectd_plugin_java_spec.rb
+++ b/spec/classes/collectd_plugin_java_spec.rb
@@ -31,7 +31,7 @@
     }}
 
     it 'will have multiple jvmarg parameters' do
-      should contain_collectd__plugin('java').with_content(/JVMArg "foo"[\s\n]+JVMArg "bar"[\s\n]+JVMArg "baz"/)
+      should contain_collectd__plugin('java').with_content(/JVMArg "foo".+JVMArg "bar".+JVMArg "baz"/m)
     end
   end
 
@@ -45,7 +45,7 @@
     end
 
     it 'will only have one JVMArg parameter' do
-      should contain_collectd__plugin('java').without_content(/(.*JVMArg.*){2,}/)
+      should contain_collectd__plugin('java').without_content(/(.*JVMArg.*){2,}/m)
     end
   end