diff --git a/schainpy/model/graphics/jroplot_base.py b/schainpy/model/graphics/jroplot_base.py
index d7c359b..90f5d2a 100644
--- a/schainpy/model/graphics/jroplot_base.py
+++ b/schainpy/model/graphics/jroplot_base.py
@@ -32,7 +32,7 @@ else:
 import matplotlib.pyplot as plt
 from matplotlib.patches import Polygon
 from mpl_toolkits.axes_grid1 import make_axes_locatable
-from matplotlib.ticker import FuncFormatter, LinearLocator, MultipleLocator
+from matplotlib.ticker import FuncFormatter, LinearLocator, MultipleLocator,AutoMinorLocator
 
 from schainpy.model.data.jrodata import PlotterData
 from schainpy.model.proc.jroproc_base import ProcessingUnit, Operation, MPDecorator
@@ -395,6 +395,7 @@ class Plot(Operation):
                 ymin = self.ymin if self.ymin is not None else numpy.nanmin(self.y[numpy.isfinite(self.y)])
                 ymax = self.ymax if self.ymax is not None else numpy.nanmax(self.y[numpy.isfinite(self.y)])
                 ax.set_facecolor(self.bgcolor)
+                ax.xaxis.set_minor_locator(AutoMinorLocator(5))
                 if self.xscale:
                     ax.xaxis.set_major_formatter(FuncFormatter(
                         lambda x, pos: '{0:g}'.format(x*self.xscale)))