diff --git a/transition_machine/src/Config.cpp b/transition_machine/src/Config.cpp
index b5babe2397ac95500ca1f0f8a1acd6198f0d83c2..6a8b828d21a6559b42c0b08cbfbecd3c63ec4e87 100644
--- a/transition_machine/src/Config.cpp
+++ b/transition_machine/src/Config.cpp
@@ -919,8 +919,8 @@ void Config::updateIdsInSequence()
       digitIndex++;
       continue;
     }
-    int multiWordSize = splited.size();
-    ids.setHyp(i-getHead(), std::to_string(curId)+"-"+std::to_string(curId+multiWordSize-1));
+    int multiWordSize = std::stoi(splited[1]) - std::stoi(splited[0]);
+    ids.setHyp(i-getHead(), std::to_string(curId)+"-"+std::to_string(curId+multiWordSize));
     digitIndex = 1;
   }
 }