diff --git a/solventmapcreator/solvationcalculation/solvationmapgenerator.py b/solventmapcreator/solvationcalculation/solvationmapgenerator.py
index 37a39baf609534f7a92bbf6ae4287bd09b61e92f..1922941004efe89e95ab649af20b13ea43bae97f 100644
--- a/solventmapcreator/solvationcalculation/solvationmapgenerator.py
+++ b/solventmapcreator/solvationcalculation/solvationmapgenerator.py
@@ -39,7 +39,7 @@ def create_solvation_plot(epsilon_i_list, epsilon_j_list,
 def plot_and_write_contour_map(input_data, **kwargs):
     """This creates and plots a contour map wit the input given.
     """
-    return plottinginput.create_and_write_contour_plot(input_data, kwargs.get("fileformat", "eps"))
+    return plottinginput.create_and_write_contour_plot(input_data, kwargs.get("fileformat", "svg"))
 
 def write_matrix_to_file(filename, x_values, y_values, solvation_matrix):
     """This writes the matrix to file.