diff --git a/cpp/runtime/state/rocksdb/RocksdbMapStateTable.h b/cpp/runtime/state/rocksdb/RocksdbMapStateTable.h
index 9697338d1f14e97b67654538316f56e95ae259c0..c4b152bf0690391225e4eb899310c21cf2a74237 100644
--- a/cpp/runtime/state/rocksdb/RocksdbMapStateTable.h
+++ b/cpp/runtime/state/rocksdb/RocksdbMapStateTable.h
@@ -121,7 +121,11 @@ public:
             if constexpr (std::is_pointer_v<UV>) {
                 return (UV)resPtr;
             } else {
-                return *(UV *)resPtr; // attention: need to delete restPtr in the caller after using
+               UV value = *(UV*)resPtr;
+	       delete (UV*)resPtr;
+	       return value;
+
+		    // return *(UV *)resPtr; // attention: need to delete restPtr in the caller after using
             }
         }
     };
@@ -881,4 +885,4 @@ std::vector<std::tuple<K, N>> *RocksdbMapStateTable<K, N, UK, UV>::getKeysAndNam
     return nullptr;
 }
 
-#endif // OMNISTREAM_ROCKSDBMAPSTATETABLE_H
\ No newline at end of file
+#endif // OMNISTREAM_ROCKSDBMAPSTATETABLE_H