diff --git a/new_protocol/json_utils.c b/new_protocol/json_utils.c
index 15b6a55a87c5148dd180fb18148a191f47a426ac..44e7167bab6d5d0e26647327cdad75d915afcb59 100644
--- a/new_protocol/json_utils.c
+++ b/new_protocol/json_utils.c
@@ -19,7 +19,7 @@ JsonPair *jsonPairMalloc(){
 	  structureMemCnt += size;
 		if(structureMemCnt > MEM_SIZE_STRUCTURE)
 				return NULL;
-		structureCurrPtr = structureCurrPtr + structureMemCnt;
+		structureCurrPtr = structureCurrPtr + size;
 		
 		return (JsonPair *)ptr;
 }
@@ -31,7 +31,7 @@ JsonObject *jsonObjectMalloc(){
 	  structureMemCnt += size;
 	  if(structureMemCnt > MEM_SIZE_STRUCTURE)
 				return NULL;
-		structureCurrPtr = structureCurrPtr + structureMemCnt;
+		structureCurrPtr = structureCurrPtr + size;
 		return (JsonObject *)ptr;
 }