diff --git a/autosubmit/job/job.py b/autosubmit/job/job.py
index ba4d704079cc82ffe5560d752feab7eb759da7ef..ca3c38619189758a16847635112f403601233c9e 100644
--- a/autosubmit/job/job.py
+++ b/autosubmit/job/job.py
@@ -1881,7 +1881,8 @@ class Job(object):
         return parameters
 
     def update_job_parameters(self,as_conf, parameters):
-        self.splits = as_conf.jobs_data[self.section].get("SPLITS", None)
+        if self.splits == "auto":
+            self.splits = as_conf.jobs_data[self.section].get("SPLITS", None)
         self.delete_when_edgeless = as_conf.jobs_data[self.section].get("DELETE_WHEN_EDGELESS", True)
         self.check = as_conf.jobs_data[self.section].get("CHECK", False)
         self.check_warnings = as_conf.jobs_data[self.section].get("CHECK_WARNINGS", False)
@@ -1901,8 +1902,7 @@ class Job(object):
         parameters['MEMBER'] = self.member
         parameters['SPLIT'] = self.split
         parameters['SHAPE'] = self.shape
-        if parameters.get('SPLITS', "auto") == "auto":
-            parameters['SPLITS'] = self.splits
+        parameters['SPLITS'] = self.splits
         parameters['DELAY'] = self.delay
         parameters['FREQUENCY'] = self.frequency
         parameters['SYNCHRONIZE'] = self.synchronize
diff --git a/autosubmit/job/job_list.py b/autosubmit/job/job_list.py
index d373fb6b2861aa081ba793c610e84de3a4114bc6..ab4406c3f6a1a1f922fe0c689783c5c519d2d2cb 100644
--- a/autosubmit/job/job_list.py
+++ b/autosubmit/job/job_list.py
@@ -1257,6 +1257,7 @@ class JobList(object):
                 if "auto" in filters_to.get("SPLITS_TO", "").lower():
                     filters_to["SPLITS_TO"] = filters_to["SPLITS_TO"].lower()
                     filters_to["SPLITS_TO"] = filters_to["SPLITS_TO"].replace("auto", auto_splits)
+            job.splits = auto_splits
         return dependency
 
     def _manage_job_dependencies(self, dic_jobs, job, date_list, member_list, chunk_list, dependencies_keys,
diff --git a/test/unit/test_dependencies.py b/test/unit/test_dependencies.py
index e6dc3e8804ee12065200131b45ff2c372935bc20..8c0bb563fd945e4388771a03ca35e939de9473c6 100644
--- a/test/unit/test_dependencies.py
+++ b/test/unit/test_dependencies.py
@@ -6,6 +6,7 @@ import tempfile
 import unittest
 from copy import deepcopy
 from datetime import datetime
+
 from mock import patch
 from mock.mock import MagicMock
 
@@ -551,7 +552,7 @@ class TestJobList(unittest.TestCase):
         self.assertEqual(expected_output, result)
 
 
-def test_normalize_auto_keyword(autosubmit_config):
+def test_normalize_auto_keyword(autosubmit_config, mocker):
     as_conf = autosubmit_config('a000', experiment_data={
 
     })
@@ -602,6 +603,7 @@ def test_normalize_auto_keyword(autosubmit_config):
     dependency.section = "minus"
     dependency = job_list._normalize_auto_keyword(job, dependency)
     assert dependency.relationships["SPLITS_FROM"]["key"]["SPLITS_TO"] == "40"
+    assert job.splits == "40"
     dependency.relationships = {
         "SPLITS_FROM": {
             "key": {
@@ -613,7 +615,17 @@ def test_normalize_auto_keyword(autosubmit_config):
     dependency.section = "plus"
     dependency = job_list._normalize_auto_keyword(job, dependency)
     assert dependency.relationships["SPLITS_FROM"]["key"]["SPLITS_TO"] == "50"
-
+    assert job.splits == "50"  # Test that the param is assigned
+
+    # Test that the param is not being changed after update_job_parameters
+    as_conf.experiment_data["JOBS"] = {}
+    as_conf.experiment_data["JOBS"][job.section] = {}
+    as_conf.experiment_data["JOBS"][job.section]["SPLITS"] = "auto"
+    job.date = None
+    mocker.patch("autosubmit.job.job.Job.calendar_split", side_effect=lambda x, y: y)
+    parameters = job.update_job_parameters(as_conf, {})
+    assert job.splits == "50"
+    assert parameters["SPLITS"] == "50"
 
 
 if __name__ == '__main__':