diff --git a/agrolib/snow/snowMaps.cpp b/agrolib/snow/snowMaps.cpp
index f938fe7b9..050c1beab 100644
--- a/agrolib/snow/snowMaps.cpp
+++ b/agrolib/snow/snowMaps.cpp
@@ -105,7 +105,7 @@ void Crit3DSnowMaps::initializeSnowMaps(const gis::Crit3DRasterGrid &dtm, double
 }
 
 
-void Crit3DSnowMaps::updateMap(Crit3DSnow &snowPoint, int row, int col)
+void Crit3DSnowMaps::updateMapRowCol(Crit3DSnow &snowPoint, int row, int col)
 {
     _snowWaterEquivalentMap->value[row][col] = float(snowPoint.getSnowWaterEquivalent());
     _iceContentMap->value[row][col] = float(snowPoint.getIceContent());
@@ -122,6 +122,23 @@ void Crit3DSnowMaps::updateMap(Crit3DSnow &snowPoint, int row, int col)
 }
 
 
+void Crit3DSnowMaps::flagMapRowCol(int row, int col)
+{
+    _snowWaterEquivalentMap->value[row][col] = _snowWaterEquivalentMap->header->flag;
+    _iceContentMap->value[row][col] = _iceContentMap->header->flag;
+    _liquidWaterContentMap->value[row][col] = _liquidWaterContentMap->header->flag;
+    _internalEnergyMap->value[row][col] = _internalEnergyMap->header->flag;
+    _surfaceEnergyMap->value[row][col] = _surfaceEnergyMap->header->flag;
+    _snowSurfaceTempMap->value[row][col] = _snowSurfaceTempMap->header->flag;
+    _ageOfSnowMap->value[row][col] = _ageOfSnowMap->header->flag;
+
+    _snowFallMap->value[row][col] = _snowFallMap->header->flag;
+    _snowMeltMap->value[row][col] = _snowMeltMap->header->flag;
+    _sensibleHeatMap->value[row][col] = _sensibleHeatMap->header->flag;
+    _latentHeatMap->value[row][col] = _latentHeatMap->header->flag;
+}
+
+
 void Crit3DSnowMaps::updateRangeMaps()
 {
     gis::updateMinMaxRasterGrid(_snowWaterEquivalentMap);
diff --git a/agrolib/snow/snowMaps.h b/agrolib/snow/snowMaps.h
index 8696400d4..bcc5e729c 100644
--- a/agrolib/snow/snowMaps.h
+++ b/agrolib/snow/snowMaps.h
@@ -20,7 +20,9 @@
         void initializeSnowMaps(const gis::Crit3DRasterGrid &dtm, double skinThickness);
         void resetSnowModel(double skinThickness);
 
-        void updateMap(Crit3DSnow &snowPoint, int row, int col);
+        void updateMapRowCol(Crit3DSnow &snowPoint, int row, int col);
+        void flagMapRowCol(int row, int col);
+
         void setPoint(Crit3DSnow &snowPoint, int row, int col);
 
         void updateRangeMaps();
diff --git a/bin/CRITERIA3D/criteria3DProject.cpp b/bin/CRITERIA3D/criteria3DProject.cpp
index b7c73a285..c425b4ef1 100644
--- a/bin/CRITERIA3D/criteria3DProject.cpp
+++ b/bin/CRITERIA3D/criteria3DProject.cpp
@@ -993,7 +993,7 @@ void Crit3DProject::computeSnowPoint(int row, int col)
 
     snowModel.computeSnowBrooksModel();
 
-    snowMaps.updateMap(snowModel, row, col);
+    snowMaps.updateMapRowCol(snowModel, row, col);
 }
 
 
@@ -1047,8 +1047,13 @@ bool Crit3DProject::computeSnowModel()
                 {
                     computeSnowPoint(row, col);
                 }
+                else
+                {
+                    snowMaps.flagMapRowCol(row, col);
+                }
             }
         }
+
         snowMaps.updateRangeMaps();
     }