diff --git a/wetb/prepost/Simulations.py b/wetb/prepost/Simulations.py
index f17905e0190e46249c1fd7d01dc5a27194ac16fa..a7edd8a1b65e47b7be86dca667d572d55f8c8c01 100755
--- a/wetb/prepost/Simulations.py
+++ b/wetb/prepost/Simulations.py
@@ -5389,7 +5389,7 @@ class MannTurb64(prepost.PBSScript):
 
     def __init__(self, silent=False):
         super(MannTurb64, self).__init__()
-        self.exe = 'time wine mann_turb_x64.exe'
+        self.exe = 'time WINEARCH=win64 WINEPREFIX=~/.wine wine mann_turb_x64.exe'
         self.winefix = 'winefix\n'
         # PBS configuration
         self.umask = '0003'
diff --git a/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s100_10ms.p b/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s100_10ms.p
index 79b15e566904b8e0b365b70c46c31bea42f99ea4..995b9af1d2669b3ed8d57c578ebb08c151d988c3 100644
--- a/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s100_10ms.p
+++ b/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s100_10ms.p
@@ -35,7 +35,7 @@ echo "------------------------------------------------------------------------"
 echo "EXECUTION"
 echo "------------------------------------------------------------------------"
 
-time wine mann_turb_x64.exe turb_s100_10ms 1.000000 29.400000 3.000000 100 8192 32 32 0.7812 6.5000 6.5000 1
+time WINEARCH=win64 WINEPREFIX=~/.wine wine mann_turb_x64.exe turb_s100_10ms 1.000000 29.400000 3.000000 100 8192 32 32 0.7812 6.5000 6.5000 1
 ### wait for jobs to finish
 wait
 
diff --git a/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s101_11ms.p b/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s101_11ms.p
index 7997dc29dc535d9a5136282e8d8744b4d876a0d8..6372504ddce65b8599f6d4ee196d451f8411af30 100644
--- a/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s101_11ms.p
+++ b/wetb/prepost/tests/data/demo_dlc/ref/pbs_in_turb/turb_s101_11ms.p
@@ -35,7 +35,7 @@ echo "------------------------------------------------------------------------"
 echo "EXECUTION"
 echo "------------------------------------------------------------------------"
 
-time wine mann_turb_x64.exe turb_s101_11ms 1.000000 29.400000 3.000000 100 8192 32 32 0.8594 6.5000 6.5000 1
+time WINEARCH=win64 WINEPREFIX=~/.wine wine mann_turb_x64.exe turb_s101_11ms 1.000000 29.400000 3.000000 100 8192 32 32 0.8594 6.5000 6.5000 1
 ### wait for jobs to finish
 wait