diff --git a/antarest/launcher/service.py b/antarest/launcher/service.py
index a3dde31182..f0c1941227 100644
--- a/antarest/launcher/service.py
+++ b/antarest/launcher/service.py
@@ -3,6 +3,7 @@
 import logging
 import os
 import shutil
+import zipfile
 from datetime import datetime, timedelta
 from http import HTTPStatus
 from pathlib import Path
@@ -522,6 +523,12 @@ def _import_output(
                         log_paths,
                         output_true_path / log_name,
                     )
+            if additional_logs and output_is_zipped:
+                with zipfile.ZipFile(output_true_path, "a") as zf:
+                    for log_paths in additional_logs.values():
+                        for path in log_paths:
+                            dest_name = path.name[: path.name.rfind("-")] + ".log"
+                            zf.write(filename=path, arcname=dest_name)
 
         if study_id:
             zip_path: Optional[Path] = None
@@ -535,18 +542,6 @@ def _import_output(
             final_output_path = zip_path or output_true_path
             with db():
                 try:
-                    if additional_logs and output_is_zipped:
-                        for log_name, log_paths in additional_logs.items():
-                            log_type = LogType.from_filename(log_name)
-                            log_suffix = log_name
-                            if log_type:
-                                log_suffix = log_type.to_suffix()
-                            self.study_service.save_logs(
-                                study_id,
-                                job_id,
-                                log_suffix,
-                                concat_files_to_str(log_paths),
-                            )
                     return self.study_service.import_output(
                         study_id,
                         final_output_path,
diff --git a/antarest/study/storage/utils.py b/antarest/study/storage/utils.py
index 438f685097..b6617de2ed 100644
--- a/antarest/study/storage/utils.py
+++ b/antarest/study/storage/utils.py
@@ -116,8 +116,9 @@ def fix_study_root(study_path: Path) -> None:
 
 def retrieve_output_path(job_path: Path) -> Path:
     inside_study_output_path = job_path / "output"
-    if job_path.exists() and len([file for file in os.listdir(str(job_path)) if ".zip" in file]) == 1:
-        return job_path / [file for file in os.listdir(str(job_path)) if ".zip" in file][0]
+    output_already_zipped_path = job_path.with_suffix(".zip")
+    if output_already_zipped_path.exists():
+        return output_already_zipped_path
     elif inside_study_output_path.exists() and len(os.listdir(inside_study_output_path)) == 1:
         return inside_study_output_path / os.listdir(str(inside_study_output_path))[0]
     else:
diff --git a/tests/launcher/test_service.py b/tests/launcher/test_service.py
index 01611ade1d..ba726b478d 100644
--- a/tests/launcher/test_service.py
+++ b/tests/launcher/test_service.py
@@ -721,17 +721,15 @@ def test_manage_output(self, tmp_path: Path) -> None:
         )
 
         output_path = tmp_path / "output"
-        zipped_output_path = tmp_path / "zipped_output"
         os.mkdir(output_path)
-        os.mkdir(zipped_output_path)
         new_output_path = output_path / "new_output"
         os.mkdir(new_output_path)
         (new_output_path / "log").touch()
         (new_output_path / "data").touch()
         additional_log = tmp_path / "output.log"
         additional_log.write_text("some log")
-        new_output_zipped_path = zipped_output_path / "test.zip"
-        with ZipFile(new_output_zipped_path, "w", ZIP_DEFLATED) as output_data:
+        zipped_path = tmp_path / "test.zip"
+        with ZipFile(zipped_path, "w", ZIP_DEFLATED) as output_data:
             output_data.writestr("some output", "0\n1")
         job_id = "job_id"
         zipped_job_id = "zipped_job_id"
@@ -768,7 +766,7 @@ def test_manage_output(self, tmp_path: Path) -> None:
 
         launcher_service._import_output(
             zipped_job_id,
-            zipped_output_path,
+            zipped_path,
             {
                 "out.log": [additional_log],
                 "antares-out": [additional_log],
diff --git a/tests/launcher/test_slurm_launcher.py b/tests/launcher/test_slurm_launcher.py
index 7d82122b62..e5da17a8d9 100644
--- a/tests/launcher/test_slurm_launcher.py
+++ b/tests/launcher/test_slurm_launcher.py
@@ -413,7 +413,9 @@ def test_import_study_output(launcher_config, tmp_path) -> None:
     xpansion_zip_dir = launcher_config.launcher.slurm.local_workspace / "OUTPUT" / "2"
     xpansion_zip_dir.mkdir(parents=True)
     (xpansion_zip_dir / "input" / "links").mkdir(parents=True)
-    xpansion_output_file = xpansion_zip_dir / "xpansion.zip"
+    xpansion_out_put_dir = xpansion_zip_dir / "output"
+    xpansion_out_put_dir.mkdir(parents=True)
+    xpansion_output_file = xpansion_out_put_dir / "xpansion.zip"
     with zipfile.ZipFile(xpansion_output_file, "w") as zipf:
         zipf.write(xpansion_dir / "something_else", "some_file.txt")
     slurm_launcher._import_study_output("2", "cpp")