diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 0d7a843156a..43b19ec5153 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -197,6 +197,9 @@ Release 2.7.0 - UNRELEASED
     YARN-2869. CapacityScheduler should trim sub queue names when parse
     configuration. (Wangda Tan via jianhe)
 
+    YARN-2927. [YARN-1492] InMemorySCMStore properties are inconsistent. 
+    (Ray Chiang via kasha)
+
 Release 2.6.0 - 2014-11-18
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
index 10ba832d54b..55073c53e0f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
@@ -1416,7 +1416,7 @@ public class YarnConfiguration extends Configuration {
   // In-memory SCM store configuration
   
   public static final String IN_MEMORY_STORE_PREFIX =
-      SHARED_CACHE_PREFIX + "in-memory.";
+      SCM_STORE_PREFIX + "in-memory.";
 
   /**
    * A resource in the InMemorySCMStore is considered stale if the time since