diff --git a/pipelines/rj_smtr/br_rj_riodejaneiro_onibus_gps/flows.py b/pipelines/rj_smtr/br_rj_riodejaneiro_onibus_gps/flows.py
index 9c02f912f..3f732f265 100644
--- a/pipelines/rj_smtr/br_rj_riodejaneiro_onibus_gps/flows.py
+++ b/pipelines/rj_smtr/br_rj_riodejaneiro_onibus_gps/flows.py
@@ -171,7 +171,7 @@
 
     # Set specific run parameters #
     with case(rematerialization, False):
-        rematerialization_dates_false = date_range = get_materialization_date_range(
+        date_range_false = get_materialization_date_range(
             dataset_id=dataset_id,
             table_id=table_id,
             raw_dataset_id=raw_dataset_id,
@@ -180,20 +180,26 @@
             mode=MODE,
             delay_hours=constants.GPS_SPPO_MATERIALIZE_DELAY_HOURS.value,
         )
+
+        RUN_CLEAN_FALSE = task(
+            lambda: [None],
+            checkpoint=False,
+            name="assign_none_to_previous_runs",
+        )()
     with case(rematerialization, True):
-        date_range = {
+        date_range_true = {
             "date_range_start": date_range_start,
             "date_range_end": date_range_end,
         }
-        rematerialization_dates_true = clean_br_rj_riodejaneiro_onibus_gps(date_range)
+        RUN_CLEAN_TRUE = clean_br_rj_riodejaneiro_onibus_gps(date_range_true)
 
-    rematerialization_dates = merge(
-        rematerialization_dates_true, rematerialization_dates_false
-    )
+    RUN_CLEAN = merge(RUN_CLEAN_TRUE, RUN_CLEAN_FALSE)
+
+    date_range = merge(date_range_true, date_range_false)
 
     dataset_sha = fetch_dataset_sha(
         dataset_id=dataset_id,
-        upstream_tasks=[rematerialization_dates],
+        upstream_tasks=[RUN_CLEAN],
     )
 
     # Run materialization #
@@ -238,7 +244,7 @@
 
     SET = merge(SET_TRUE, SET_FALSE)
 
-    materialize_sppo.set_reference_tasks([RUN, rematerialization_dates, SET])
+    materialize_sppo.set_reference_tasks([RUN, RUN_CLEAN, SET])
 
 materialize_sppo.storage = GCS(emd_constants.GCS_FLOWS_BUCKET.value)
 materialize_sppo.run_config = KubernetesRun(