diff --git a/postprocessing/compare_cases.py b/postprocessing/compare_cases.py
index 0d964b430..08553c9d6 100644
--- a/postprocessing/compare_cases.py
+++ b/postprocessing/compare_cases.py
@@ -2682,7 +2682,7 @@ def two_bars(dfplot, basecase, colors, ax, col=0, ypad=0.02):
                     ax=ax[coords[case]], column='GW', cmap=cmap, vmin=vmin, vmax=vmax,
                     legend=False,
                 )
-                reedsplots.label_region_value(dfplot, ax=ax[coords[case]], column="GW", fontsize=5)
+                reedsplots.label_region_value(dfplot, ax=ax[coords[case]], column="GW", text_kwargs={'fontsize': 5})
                 ## Legend
                 if coords[case] == legendcoords:
                     plots.addcolorbarhist(
@@ -2754,7 +2754,7 @@ def two_bars(dfplot, basecase, colors, ax, col=0, ypad=0.02):
                     vmax=(absmax if case == basecase else diffmax),
                     legend=False,
                 )
-                reedsplots.label_region_value(dfplot, ax=ax[coords[case]], column="GW", fontsize=5)
+                reedsplots.label_region_value(dfplot, ax=ax[coords[case]], column="GW", text_kwargs={'fontsize': 5})
                 ## Difference legend
                 if coords[case] == legendcoords:
                     plots.addcolorbarhist(