diff --git a/factories/weather_feeders/dat_weather_parameters.py b/factories/weather_feeders/dat_weather_parameters.py
index 5e355d98..1b218230 100644
--- a/factories/weather_feeders/dat_weather_parameters.py
+++ b/factories/weather_feeders/dat_weather_parameters.py
@@ -24,7 +24,7 @@ class DatWeatherParameters:
       try:
         self._weather_values = pd.read_csv(self._path, sep='\s+', header=None,
                                            names=['hour', 'global_horiz', 'temperature', 'diffuse', 'beam', 'empty'])
-      except ValueError:
+      except SystemExit:
         sys.stderr.write(f'Error: weather file {self._path} not found\n')
         sys.exit()
 
diff --git a/factories/weather_feeders/xls_weather_parameters.py b/factories/weather_feeders/xls_weather_parameters.py
index 492bc5e9..d8196b7d 100644
--- a/factories/weather_feeders/xls_weather_parameters.py
+++ b/factories/weather_feeders/xls_weather_parameters.py
@@ -28,7 +28,7 @@ class XlsWeatherParameters:
                                                     'temperature', 'I_sol_vertical_N', 'I_sol_vertical_E',
                                                     'I_sol_vertical_S', 'I_sol_vertical_W', 'I_sol_45_N', 'I_sol_45_S',
                                                     'void', 'global_horiz', 'wind_velocity', 'humidity'])
-      except ValueError:
+      except SystemExit:
         sys.stderr.write(f'Error reading weather file {self._path}\n')
         sys.exit()
 
@@ -44,4 +44,3 @@ class XlsWeatherParameters:
         building.global_horizontal['hour'] = new_value
       else:
         pd.concat([building.global_horizontal['hour'], new_value], axis=1)
-