diff --git a/elasticsearch/x-pack/security/src/main/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapper.java b/elasticsearch/x-pack/security/src/main/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapper.java
index 2eefccdc2db..cb15f785ab4 100644
--- a/elasticsearch/x-pack/security/src/main/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapper.java
+++ b/elasticsearch/x-pack/security/src/main/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapper.java
@@ -137,9 +137,7 @@ public class DnRoleMapper {
             if (dnToRoles.isEmpty()) {
                 logger.warn("no mappings found in role mappings file [{}] for realm [{}/{}]", path.toAbsolutePath(), realmType, realmName);
             }
-
             return unmodifiableMap(dnToRoles);
-
         } catch (IOException e) {
             throw new ElasticsearchException("could not read realm [" + realmType + "/" + realmName + "] role mappings file [" +
                     path.toAbsolutePath() + "]", e);
diff --git a/elasticsearch/x-pack/security/src/test/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapperTests.java b/elasticsearch/x-pack/security/src/test/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapperTests.java
index 6d95614ade5..ae5703611a2 100644
--- a/elasticsearch/x-pack/security/src/test/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapperTests.java
+++ b/elasticsearch/x-pack/security/src/test/java/org/elasticsearch/xpack/security/authc/support/DnRoleMapperTests.java
@@ -190,7 +190,8 @@ public class DnRoleMapperTests extends ESTestCase {
     }
 
     public void testParseFile_Empty() throws Exception {
-        Path file = createTempFile();
+        Path file = createTempDir().resolve("foo.yaml");
+        Files.createFile(file);
         CapturingLogger logger = new CapturingLogger(CapturingLogger.Level.INFO);
         Map<DN, Set<String>> mappings = DnRoleMapper.parseFile(file, logger, "_type", "_name");
         assertThat(mappings, notNullValue());