diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index bc8c8cefaba..309c2d2e460 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -419,6 +419,9 @@ Release 0.23.0 - Unreleased
     HADOOP-7509. Improve exception message thrown when Authentication is 
     required. (Ravi Prakash via suresh)
 
+    HADOOP-7745. Fix wrong variable name in exception message introduced
+    in HADOOP-7509. (Ravi Prakash via suresh)
+
   OPTIMIZATIONS
   
     HADOOP-7333. Performance improvement in PureJavaCrc32. (Eric Caspole
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
index 50b06dc342d..44b361b610e 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
@@ -1172,9 +1172,9 @@ public int readAndProcess() throws IOException, InterruptedException {
           }
           if (isSecurityEnabled && authMethod == AuthMethod.SIMPLE) {
             AccessControlException ae = new AccessControlException("Authorization ("
-              + CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION
-              + ") is enabled but authentication ("
               + CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION
+              + ") is enabled but authentication ("
+              + CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION
               + ") is configured as simple. Please configure another method "
               + "like kerberos or digest.");
             setupResponse(authFailedResponse, authFailedCall, Status.FATAL,