diff --git a/wetb/prepost/windIO.py b/wetb/prepost/windIO.py
index 6e87de7955cd97c6706f2b87fd12b51468c1721d..c0ae4ba4b0a385ece0c452febc02838e70b91b79 100755
--- a/wetb/prepost/windIO.py
+++ b/wetb/prepost/windIO.py
@@ -315,7 +315,7 @@ class LogFile(object):
 
         # as last element, add the total number of iterations
         itertotal = np.nansum(iterations[:,1])
-        tempLog.append('%i' % itertotal)
+        tempLog.append('%1.0f' % itertotal)
 
         # the delta t used for the simulation
         if dt: