diff --git a/schainpy/model/graphics/jroplot_base.py b/schainpy/model/graphics/jroplot_base.py
index 64f3a51..16ac4e7 100644
--- a/schainpy/model/graphics/jroplot_base.py
+++ b/schainpy/model/graphics/jroplot_base.py
@@ -440,7 +440,7 @@ class Plot(Operation):
                     self.time_label),
                     size=8)
                 ax.set_ylim(0, self.ymax)
-                #ax.set_yticks(numpy.arange(0, self.ymax, 20))
+                ax.set_yticks(ax.get_yticks(), labels=ax.get_yticks(), color='white')
                 ax.yaxis.labelpad = 28
 
         if self.firsttime: