--- a/src/pythonprop/voaAreaPlot.py
+++ b/src/pythonprop/voaAreaPlot.py
@@ -148,15 +148,15 @@ class VOAAreaPlot:
         #    print "-180 < Latitude < 180.0, -90 < Longitude < 90"
         #    sys.exit(1)
 
-        portland = ListedColormap(["#0C3383", "#0b599b","#0a7fb4","#57a18f","#bec255","#f2c438","#f2a638","#ef8235","#e4502a","#d91e1e"])
+        portland = ListedColormap(["#0C3383","#0b599b","#0a7fb4","#57a18f","#bec255","#f2c438","#f2a638","#ef8235","#e4502a","#d91e1e"], name="portland")
         try:
-            plt.register_cmap(name='portland', cmap=portland)
+            matplotlib.colormaps.register(cmap=portland)
         except ValueError:
             print("Portland colormap is already registered")
         colMap = color_map
 
         projection = ccrs.PlateCarree()
-        axes_class = (GeoAxes,dict(map_projection=projection))
+        axes_class = (GeoAxes,dict(projection=projection))
 
         number_of_subplots = len(vg_files)
 
@@ -208,7 +208,7 @@ class VOAAreaPlot:
                     cbar_mode='single',
                     cbar_pad=0.2,
                     cbar_size='3%',
-                    label_mode='')
+                    label_mode='L')
         
         self.main_title_label = fig.suptitle(str(self.image_defs['title']), fontsize=self.main_title_fontsize)
 
@@ -292,7 +292,7 @@ class VOAAreaPlot:
                     ax.plot([xpt],[ypt],'ro')
                     ax.text(xpt+100000,ypt+100000,location.get_name())
             """
-            gl = ax.gridlines(crs=projection, draw_labels=True,
+            gl = ax.gridlines(crs=projection, draw_labels=["bottom", "left"],
                   linewidth=1, color='black', alpha=0.75)
             gl.xlabels_top = False
             gl.xlabels_bottom = False
diff --git a/src/pythonprop/voaP2PPlot.py b/src/pythonprop/voaP2PPlot.py
index 7255667..4a3ff05 100644
--- a/src/pythonprop/voaP2PPlot.py
+++ b/src/pythonprop/voaP2PPlot.py
@@ -140,9 +140,10 @@ class VOAP2PPlot:
         # set backend during initialization to avoid switching error
         matplotlib.use('GTK3Agg')
 
-        portland = ListedColormap(["#0C3383", "#0b599b","#0a7fb4","#57a18f","#bec255","#f2c438","#f2a638","#ef8235","#e4502a","#d91e1e"])
+        portland = ListedColormap(["#0C3383", "#0b599b","#0a7fb4","#57a18f","#bec255","#f2c438","#f2a638","#ef8235","#e4502a","#d91e1e"],
+name="portland")
         try:
-            matplotlib.cm.register_cmap(name='portland', cmap=portland)
+            matplotlib.colormaps.register(cmap=portland)
         except ValueError:
             print("Portland colormap is already registered")
 
@@ -203,7 +204,7 @@ class VOAP2PPlot:
                     cbar_mode='single',
                     cbar_pad=0.2,
                     cbar_size='3%',
-                    label_mode='')
+                    label_mode='L')
 
         self.main_title_label = fig.suptitle(plot_label+str(self.image_defs['title']), fontsize=self.main_title_fontsize)