diff --git a/src/Solver/AdisTT.py b/src/Solver/AdisTT.py
index b840bcfb..9c6214e6 100644
--- a/src/Solver/AdisTT.py
+++ b/src/Solver/AdisTT.py
@@ -457,22 +457,31 @@ class AdisTTwc(AdisTT):
             with adistt_file_open(
                     os.path.join(repertory, f"{name}.POL"), "w+"
             ) as f:
-                
+
                 TEM_ICs = (
-                    study.river._InitialConditionsTemperature.Initial_Conditions_List[0]
+                    study.river._InitialConditionsTemperature
+                    .Initial_Conditions_List
                 )
 
-                if TEM_ICs._temperature is not None:
+                TEM_IC = TEM_ICs[0] if TEM_ICs else None
+                print(f"TEM_IC: {TEM_IC}")
+
+                if TEM_IC and TEM_IC._temperature is not None:
+                    print(f"TEM_IC._temperature: {TEM_IC._temperature}")
                     f.write(f"file_ini = {name}.INI\n")
                     self._export_ICs_AdisTT(
-                        study, repertory, TEM_ICs, qlog, name
+                        study, repertory, TEM_IC, qlog, name
+                    )
+                else:
+                    logger.info(
+                        "No TEM initial conditions defined, skipping export"
                     )
 
-                TEM_BCs =(
+                TEM_BCs = (
                     study.river._BoundaryConditionsTemperature.BCs_Temperature_List
                 )
 
-                if len(TEM_BCs) != 0:
+                if TEM_BCs:
                     f.write(f"file_cl = {name}.CDT\n")
                     self._export_BCs_AdisTT(
                         study, repertory, TEM_BCs, qlog, name
@@ -517,7 +526,9 @@ class AdisTTwc(AdisTT):
         ), "w+") as f:
             f.write(f"*État initial pour le polluant {TEM_name}\n")
             f.write(" ".join(("DEFAULT =",
-                              f"{TEM_IC_default.temperature}\n")))
+                              f"{TEM_IC_default.temperature}",
+                              "0.0 0.0 0.0\n")))
+                                # fake 0 to match adists
 
             if len(TEM_IC_default._data) != 0:
                 self._export_ICs_AdisTT_Spec(
@@ -539,7 +550,9 @@ class AdisTTwc(AdisTT):
                               f"{study.river.get_edge_id(reach)+1}",
                               f"{ic_spec.start_rk}",
                               f"{ic_spec.end_rk}",
-                              f"{ic_spec.temperature}\n")))
+                              f"{ic_spec.temperature}"
+                              f"0.0 0.0 0.0 0.0\n")))
+                                # fake 0 to match adists
 
         return True
 
diff --git a/src/tools.py b/src/tools.py
index b4de6800..9ea2fb80 100644
--- a/src/tools.py
+++ b/src/tools.py
@@ -321,7 +321,7 @@ def timestamp_to_old_pamhyr_date_adists(time: int):
     minutes = (dt.seconds % 3600) // 60
     seconds = dt.seconds % 60
 
-    s = f"{dt.days:>3}:{hours:>2}:{minutes:>2}:{seconds:>2}"
+    s = f"{dt.days:>3}:{hours:>2}:{minutes:>2}"
     s = s.replace(" ", "0")
 
     return s