diff --git a/source/util/inc/tmempoolInt.h b/source/util/inc/tmempoolInt.h
index 8d4cb57ddc..013838e6df 100755
--- a/source/util/inc/tmempoolInt.h
+++ b/source/util/inc/tmempoolInt.h
@@ -222,7 +222,7 @@ typedef struct SMPSessionChunk {
 } SMPSessionChunk;
 
 typedef struct SMPSession {
-  // SMPListNode        list;
+  SMPListNode list;     
 
   char*       sessionId;
   SMPJob*     pJob;