diff --git a/lv/lv3100.cpp b/lv/lv3100.cpp
index 845f228de..3e9a86a09 100755
--- a/lv/lv3100.cpp
+++ b/lv/lv3100.cpp
@@ -1363,6 +1363,7 @@ void TGestione_bolle_app::date_dotmp( const TMask& m)
       {
 				const TDate da_data_contr = rcondv.get_date(LVRCONDV_INDTTMP);
 				const TDate da_data_bolla = rdoc.get_date("DADATATMP");
+        const real  dotmp         = rdoc.get_real("DOTMP");
 
         if(da_data_contr > da_data_bolla)
 				{
@@ -1378,6 +1379,14 @@ void TGestione_bolle_app::date_dotmp( const TMask& m)
           rcondv.put(LVRCONDV_FIDTTMP, a_data_bolla);
 					to_write = true;
 				}
+
+        if(dotmp == ZERO)
+        {
+          rcondv.put(LVRCONDV_INDTTMP, NULLDATE);
+          rcondv.put(LVRCONDV_FIDTTMP, NULLDATE);
+          to_write = true;
+        }
+
 				if (to_write)
 					rcondv.rewrite();