diff --git a/app/src/DnaStore.cpp b/app/src/DnaStore.cpp
index 1037b29..95cf163 100644
--- a/app/src/DnaStore.cpp
+++ b/app/src/DnaStore.cpp
@@ -14,12 +14,12 @@ void DnaStore::load(DnaManagerData *data)
 {
   if (sys::fileExists(ID_FILE_NAME))
   {
-    sys::loadDataFromFile(ID_FILE_NAME, &data->id, sizeof(uint128));
+    sys::loadDataFromFile(ID_FILE_NAME, &data->id, sizeof(uint64_t));
   }
   else
   {
-    data->id = mrand::getState(time(nullptr));
-    sys::saveDataToFile(ID_FILE_NAME, &data->id, sizeof(uint128));
+    data->id = time(nullptr);
+    sys::saveDataToFile(ID_FILE_NAME, &data->id, sizeof(uint64_t));
   }
 
   if (sys::fileExists(DATA_FILE_NAME))
@@ -57,7 +57,7 @@ void DnaStore::load(DnaManagerData *data)
   }
   else
   {
-    data->randSeed = data->id;
+    data->randSeed = mrand::getState(data->id);
     data->queued = 0;
     data->showed = 0;
     data->generation = 0;
diff --git a/shared/inc/values/DnaManager.hpp b/shared/inc/values/DnaManager.hpp
index 18e9a19..b665118 100644
--- a/shared/inc/values/DnaManager.hpp
+++ b/shared/inc/values/DnaManager.hpp
@@ -32,7 +32,7 @@ struct DnaManagerData
 {
   int generation;
   uint128 randSeed;
-  uint128 id;
+  uint64_t id;
   int queued;
   int showed;
   std::vector<Dna> vector;