diff --git a/antarest/launcher/adapters/abstractlauncher.py b/antarest/launcher/adapters/abstractlauncher.py
index 2427db5b73..230698f012 100644
--- a/antarest/launcher/adapters/abstractlauncher.py
+++ b/antarest/launcher/adapters/abstractlauncher.py
@@ -13,7 +13,7 @@
 )
 from antarest.core.model import PermissionInfo, PublicMode
 from antarest.core.requests import RequestParameters
-from antarest.launcher.adapters.log_parser import LaunchProgressDTO, LogParser
+from antarest.launcher.adapters.log_parser import LaunchProgressDTO
 from antarest.launcher.model import JobStatus, LauncherParametersDTO, LogType
 
 
@@ -104,10 +104,7 @@ def update_log(log_line: str) -> None:
             )
             progress_updated = False
             for line in log_line.split("\n"):
-                progress_updated = (
-                    LogParser.update_progress(line, launch_progress_dto)
-                    or progress_updated
-                )
+                progress_updated |= launch_progress_dto.update_progress(line)
             if progress_updated:
                 self.event_bus.push(
                     Event(
diff --git a/antarest/launcher/adapters/log_parser.py b/antarest/launcher/adapters/log_parser.py
index 47b2638a65..4606c199f3 100644
--- a/antarest/launcher/adapters/log_parser.py
+++ b/antarest/launcher/adapters/log_parser.py
@@ -3,27 +3,19 @@
 
 from pydantic import BaseModel
 
-
 logger = logging.getLogger(__name__)
 
 
 class LaunchProgressDTO(BaseModel):
     progress: float = 0
-    total_mc_years_to_perform: int = 1
-
+    total_mc_years: int = 1
 
-class LogParser:
-    @staticmethod
-    def update_progress(
-        line: str, launch_progress_dto: LaunchProgressDTO
-    ) -> bool:
+    def update_progress(self, line: str) -> bool:
         if "MC-Years : [" in line:
             if regex_result := re.search(
                 r"MC-Years : \[\d+ .. \d+], total: (\d+)", line
             ):
-                launch_progress_dto.total_mc_years_to_perform = int(
-                    regex_result[1]
-                )
+                self.total_mc_years = int(regex_result[1])
                 return True
             else:
                 logger.warning(
@@ -31,14 +23,12 @@ def update_progress(
                 )
                 return False
         elif "Exporting the annual results" in line:
-            launch_progress_dto.progress += (
-                98 / launch_progress_dto.total_mc_years_to_perform
-            )
+            self.progress += 98 / self.total_mc_years
             return True
         elif "Exporting the survey results" in line:
-            launch_progress_dto.progress = 99
+            self.progress = 99
             return True
         elif "Quitting the solver gracefully" in line:
-            launch_progress_dto.progress = 100
+            self.progress = 100
             return True
         return False
diff --git a/tests/launcher/test_log_parser.py b/tests/launcher/test_log_parser.py
index 0d851efab5..29a14e0306 100644
--- a/tests/launcher/test_log_parser.py
+++ b/tests/launcher/test_log_parser.py
@@ -1,39 +1,38 @@
 import pytest
-from tests.storage.integration.data import simulation_log
-
 
-from antarest.launcher.adapters.log_parser import LaunchProgressDTO, LogParser
+from antarest.launcher.adapters.log_parser import LaunchProgressDTO
+from tests.storage.integration.data import simulation_log
 
 
 @pytest.mark.parametrize(
     "launch_progress_dto,line,expected_progression,expected_output",
     [
         (
-            LaunchProgressDTO(total_mc_years_to_perform=100),
+            LaunchProgressDTO(total_mc_years=100),
             "[infos] MC-Years : [1 .. 11], total: 11",
             0,
             True,
         ),
         (
-            LaunchProgressDTO(total_mc_years_to_perform=10),
+            LaunchProgressDTO(total_mc_years=10),
             "this is a test",
             0,
             False,
         ),
         (
-            LaunchProgressDTO(total_mc_years_to_perform=100),
+            LaunchProgressDTO(total_mc_years=100),
             "[solver][infos] parallel batch size : 10",
             0,
             False,
         ),
         (
-            LaunchProgressDTO(total_mc_years_to_perform=10),
+            LaunchProgressDTO(total_mc_years=10),
             "[solver][infos] Exporting the annual results",
             9.8,
             True,
         ),
         (
-            LaunchProgressDTO(total_mc_years_to_perform=10),
+            LaunchProgressDTO(total_mc_years=10),
             "[solver][infos] Exporting the survey results",
             99,
             True,
@@ -46,35 +45,32 @@ def test_update_progress(
     expected_progression: float,
     expected_output: bool,
 ):
-    output = LogParser.update_progress(line, launch_progress_dto)
+    output = launch_progress_dto.update_progress(line)
     assert launch_progress_dto.progress == expected_progression
     assert output == expected_output
 
 
 def test_update_progress_with_real_log():
     real_log = simulation_log.simulation_log.split("\n")
-    launch_progress_dto = LaunchProgressDTO()
+    dto = LaunchProgressDTO()
     for line in real_log:
         if "Exporting the annual results" in line:
-            pre_update_progress = launch_progress_dto.progress
-            LogParser.update_progress(line, launch_progress_dto)
+            pre_update_progress = dto.progress
+            dto.update_progress(line)
             assert (
-                launch_progress_dto.progress
-                == pre_update_progress
-                + 98 / launch_progress_dto.total_mc_years_to_perform
+                dto.progress == pre_update_progress + 98 / dto.total_mc_years
             )
             continue
         elif "Exporting the survey results" in line:
-            pre_update_progress = launch_progress_dto.progress
+            pre_update_progress = dto.progress
             assert pre_update_progress < 99
-            LogParser.update_progress(line, launch_progress_dto)
-            assert launch_progress_dto.progress == 99
+            dto.update_progress(line)
+            assert dto.progress == 99
             continue
         elif "Quitting the solver gracefully" in line:
-            assert launch_progress_dto.progress == 99
-            LogParser.update_progress(line, launch_progress_dto)
-            assert launch_progress_dto.progress == 100
+            assert dto.progress == 99
+            dto.update_progress(line)
+            assert dto.progress == 100
             continue
-        LogParser.update_progress(line, launch_progress_dto)
-    print(launch_progress_dto.progress)
-    assert launch_progress_dto.total_mc_years_to_perform == 2
+        dto.update_progress(line)
+    assert dto.total_mc_years == 2