diff --git a/src/gui_qt/data/shift_graphs.py b/src/gui_qt/data/shift_graphs.py
index 3e0edb2..61dc918 100644
--- a/src/gui_qt/data/shift_graphs.py
+++ b/src/gui_qt/data/shift_graphs.py
@@ -46,7 +46,7 @@ class QShift(QtWidgets.QDialog, Ui_shift_dialog):
             pl = [PlotItem(x=x, y=y.real, name=name, pen=mkPen(color=color)),
                   PlotItem(x=x, y=y.imag, name=name, pen=mkPen(color=color))]
         else:
-            pl = [PlotItem(x=x, y=y, name=name, symbol='t', pen=mkPen(color=color))]
+            pl = [PlotItem(x=x, y=y, name=name, pen=mkPen(color=color))]
 
         self.data[idx] = (pl, x, y)
 
diff --git a/src/gui_qt/fit/fitwindow.py b/src/gui_qt/fit/fitwindow.py
index bc5b650..099dd1c 100644
--- a/src/gui_qt/fit/fitwindow.py
+++ b/src/gui_qt/fit/fitwindow.py
@@ -107,7 +107,7 @@ class QFitDialog(QtWidgets.QWidget, Ui_FitDialog):
             if function is None:
                 return
 
-            dialog = QFitParameterWidget()
+            dialog = QFitParameterWidget(self.stackedWidget)
             data_names = self.data_table.data_list(include_name=True)
 
             dialog.set_function(function, function_idx)
diff --git a/src/gui_qt/io/asciireader.py b/src/gui_qt/io/asciireader.py
index 543654a..7bf5a06 100644
--- a/src/gui_qt/io/asciireader.py
+++ b/src/gui_qt/io/asciireader.py
@@ -183,7 +183,12 @@ class QAsciiReader(QtWidgets.QDialog, Ui_ascii_reader):
 
         col_header = None
         if self.column_checkBox.isChecked():
-            col_header = [self.ascii_table.horizontalHeaderItem(i).text() for i in range(self.ascii_table.columnCount())]
+            col_header = []
+            for i in range(self.ascii_table.columnCount()):
+                if self.ascii_table.horizontalHeaderItem(i) is not None:
+                    col_header.append(self.ascii_table.horizontalHeaderItem(i).text())
+                else:
+                    col_header.append(i)
 
         if y is not None and col_header is not None:
             col_header = [col_header[i] for i in range(len(col_header)) if i in y]
diff --git a/src/gui_qt/lib/styles.py b/src/gui_qt/lib/styles.py
index d453f50..21290d6 100644
--- a/src/gui_qt/lib/styles.py
+++ b/src/gui_qt/lib/styles.py
@@ -1,5 +1,5 @@
 from . import HAS_IMPORTLIB_RESOURCE
-from ..Qt import QtGui, QtWidgets
+from ..Qt import QtGui, QtWidgets, QtCore
 
 
 class DarkPalette(QtGui.QPalette):
@@ -97,6 +97,14 @@ class MyProxyStyle(QtWidgets.QProxyStyle):
                 from pkg_resources import resource_filename
                 with open(resource_filename('resources.icons', 'style.qss'), 'r') as f:
                     obj.setStyleSheet(f.read())
-
         else:
             return super().polish(obj)
+
+    def drawComplexControl(self, control: QtWidgets.QStyle.ComplexControl,
+                           opts: QtWidgets.QStyleOptionComplex, painter: QtGui.QPainter, widget=None):
+        if control == QtWidgets.QStyle.CC_ComboBox:
+            textrect = self.baseStyle().subControlRect(QtWidgets.QStyle.CC_ComboBox, opts, QtWidgets.QStyle.SC_ComboBoxEditField, widget)
+            opts.currentText = painter.fontMetrics().elidedText(opts.currentText, QtCore.Qt.ElideRight, textrect.width())
+            super().drawComplexControl(control, opts, painter, widget=widget)
+        else:
+            super().drawComplexControl(control, opts, painter, widget=widget)