diff --git a/scipost_django/graphs/graphs/__init__.py b/scipost_django/graphs/graphs/__init__.py
index 167df951cf3d02c4371b5239e8fce04a0f86d60f..137f60bda65371e769178cc748c5a03ba005162b 100644
--- a/scipost_django/graphs/graphs/__init__.py
+++ b/scipost_django/graphs/graphs/__init__.py
@@ -33,7 +33,7 @@ AVAILABLE_MPL_THEMES = {
 import geopandas as gpd
 
 world_map_file_URL = (
-    "http://naturalearth.s3.amazonaws.com/50m_cultural/ne_50m_admin_0_countries.zip"
+    "http://naturalearth.s3.amazonaws.com/110m_cultural/ne_110m_admin_0_countries.zip"
 )
 BASE_WORLD = gpd.read_file(world_map_file_URL)
 
diff --git a/scipost_django/graphs/graphs/options.py b/scipost_django/graphs/graphs/options.py
index 83f7d6c80544434e0dfa1ff6d9558aca363ad91a..dcffaa0ee1585e0896379905df048997dbe449b2 100644
--- a/scipost_django/graphs/graphs/options.py
+++ b/scipost_django/graphs/graphs/options.py
@@ -7,7 +7,7 @@ from django.forms import Field
 
 
 T = TypeVar("T")
-Option = dict[str, T]
+Options = dict[str, T]
 
 
 class BaseOptions:
@@ -22,20 +22,25 @@ class BaseOptions:
         return [key for key in cls.__dict__.keys() if not key.startswith("__")]
 
     @classmethod
-    def get_option_fields(cls) -> Option[Field]:
-        option_fields: Option[Field] = {}
-        for option in dir(cls):
-            if option.startswith("__"):
+    def get_option_fields(cls) -> Options[Field]:
+        """
+        Returns a dictionary of string keys and Field values,
+        mapping the options to their respective fields.
+        The keys are prefixed with the class prefix.
+        """
+        options: Options[Field] = {}
+        for option_key in dir(cls):
+            if option_key.startswith("__"):
                 continue
 
-            option_value = getattr(cls, option)
+            option_value = getattr(cls, option_key)
             if isinstance(option_value, Field):
                 # Try to remove the prefix from the label if it is present
                 if option_value.label is None:
-                    option_value.label = cls.unprefixed(option).title()
-                option_fields[cls.prefix + option] = option_value
+                    option_value.label = cls.unprefixed(option_key).title()
+                options[cls.prefix + option_key] = option_value
 
-        return option_fields
+        return options
 
     @classmethod
     def unprefixed(cls, key: str) -> str:
@@ -44,7 +49,7 @@ class BaseOptions:
         return key
 
     @classmethod
-    def parse_prefixed_options(cls, options: Option[T]) -> Option[T]:
+    def parse_prefixed_options(cls, options: Options[T]) -> Options[T]:
         """
         Returns a dictionary with only unprefixed and valid options.
         """
diff --git a/scipost_django/graphs/graphs/plotkind.py b/scipost_django/graphs/graphs/plotkind.py
index 4d4914073ab7e2707e70649a3a414ee257b4438e..02b3817ef0247fe73d72ae7390280a82fda0f515 100644
--- a/scipost_django/graphs/graphs/plotkind.py
+++ b/scipost_django/graphs/graphs/plotkind.py
@@ -37,6 +37,7 @@ class PlotKind:
 
     @classmethod
     def get_name(cls) -> str:
+        """Get the name of the plot kind in title case"""
         return cls.name.title()
 
     def __str__(self):
@@ -63,7 +64,7 @@ class PlotKind:
         """
         fig = self.get_figure()
         ax = fig.add_subplot(111)
-        ax.set_title(f"{self.get_name().title()} plot of {plotter.model.__name__}")
+        ax.set_title(f"{self.get_name()} plot of {plotter.model.__name__}")
 
         x, y = self.get_data(plotter)
         ax.plot(x, y)
@@ -200,4 +201,3 @@ class MapPlot(PlotKind):
             *group_by_country_count.values_list(plotter.country_key, "count")
         )
         return countries, count
-
diff --git a/scipost_django/graphs/templates/graphs/plot.html b/scipost_django/graphs/templates/graphs/plot.html
index 45b49a073647a39b8ef508a962cda1255b436d96..339a2fc3458b412be682dce220c9783e3bed31d6 100644
--- a/scipost_django/graphs/templates/graphs/plot.html
+++ b/scipost_django/graphs/templates/graphs/plot.html
@@ -1 +1,3 @@
-{{ plot_svg|safe }}
+{% if plot_svg %}
+  {{ plot_svg|safe }}
+{% endif %}