diff --git a/shapeout2/gui/analysis/ana_plot.py b/shapeout2/gui/analysis/ana_plot.py
index dd34a78..da6b29f 100644
--- a/shapeout2/gui/analysis/ana_plot.py
+++ b/shapeout2/gui/analysis/ana_plot.py
@@ -180,7 +180,7 @@ def __setstate__(self, state):
         color_index = COLORMAPS.index(sca["colormap"])
         self.comboBox_colormap.setCurrentIndex(color_index)
         self.checkBox_event_count.setChecked(sca["show event count"])
-        self.spinBox_alpha.setValue(sca["marker alpha"]*100)
+        self.spinBox_alpha.setValue(int(sca["marker alpha"]*100))
         if sca["marker hue"] == "feature":
             self._set_range_feat_state(sca["hue feature"], sca["hue min"],
                                        sca["hue max"])
diff --git a/shapeout2/gui/widgets/colorbar_widget.py b/shapeout2/gui/widgets/colorbar_widget.py
index aae5dfa..6c375fa 100644
--- a/shapeout2/gui/widgets/colorbar_widget.py
+++ b/shapeout2/gui/widgets/colorbar_widget.py
@@ -61,20 +61,23 @@ def __init__(self, cmap, width, height, vmin=0.0, vmax=1.0, label=""):
         maxwidth = 0.0
         for tick, tick_label in zip(ticks, tick_labels):
             y_ = (1.0 - (tick - smn)/spp) * h
-            p.drawLine(w, y_, w+5.0, y_)
+            p.drawLine(w, int(y_), int(w+5.0), int(y_))
             br = p.boundingRect(
                 0, 0, 0, 0, pg.QtCore.Qt.AlignRight, tick_label)
             if br.x() < mintx:
                 mintx = br.x()
             if br.width() > maxwidth:
                 maxwidth = br.width()
-            p.drawText(br.x() + 10.0 + w + br.width(),
-                       y_ + br.height() / 4.0, tick_label)
+            p.drawText(int(br.x() + 10.0 + w + br.width()),
+                       int(y_ + br.height() / 4.0),
+                       tick_label)
 
         # draw label
         br = p.boundingRect(0, 0, 0, 0, pg.QtCore.Qt.AlignBottom, label)
         p.rotate(90)
-        p.drawText(h/2 - br.width()/2, -w-maxwidth-15, label)
+        p.drawText(int(h/2 - br.width()/2),
+                   int(-w-maxwidth-15),
+                   label)
 
         # done
         p.end()