diff --git a/src/gui_qt/data/point_select.py b/src/gui_qt/data/point_select.py
index 514ba49..512e5e8 100644
--- a/src/gui_qt/data/point_select.py
+++ b/src/gui_qt/data/point_select.py
@@ -199,4 +199,4 @@ class PointSelectWidget(QtWidgets.QWidget, Ui_Form):
 
     @QtCore.pyqtSlot(int, name='on_graph_checkbox_stateChanged')
     def changed_state(self, checked):
-        self.graph_combobox.setEnabled(checked!=QtCore.Qt.Checked)
+        self.graph_combobox.setEnabled(checked != QtCore.Qt.Checked)
diff --git a/src/gui_qt/io/asciireader.py b/src/gui_qt/io/asciireader.py
index b6e78de..8cbbd37 100644
--- a/src/gui_qt/io/asciireader.py
+++ b/src/gui_qt/io/asciireader.py
@@ -211,7 +211,7 @@ class QAsciiReader(QtWidgets.QDialog, Ui_ascii_reader):
                     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]
+            col_header = [col_header[i] for i in range(len(col_header))]
 
         try:
             ret_dic = self.reader.export(
diff --git a/src/gui_qt/main/mainwindow.py b/src/gui_qt/main/mainwindow.py
index 6af00a7..8e439a2 100644
--- a/src/gui_qt/main/mainwindow.py
+++ b/src/gui_qt/main/mainwindow.py
@@ -259,8 +259,11 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
 
         filedialog.set_graphs(self.management.graphs.list())
 
-        filedialog.exec()
-        fname = filedialog.selectedFiles()
+        accepted = filedialog.exec()
+        if accepted:
+            fname = filedialog.selectedFiles()
+        else:
+            fname = []
 
         if fname:
             self.path = Path(fname[0]).parent
diff --git a/src/nmreval/io/asciireader.py b/src/nmreval/io/asciireader.py
index 6e9ceb3..e8c0b4f 100644
--- a/src/nmreval/io/asciireader.py
+++ b/src/nmreval/io/asciireader.py
@@ -121,6 +121,9 @@ class AsciiReader:
         if y is None:
             y = list(range(int(len(x) != 0), max(self.width)))
 
+        if col_names is not None:
+            col_names = [col_names[y_i] for y_i in y]
+
         cols = x + y + yerr
         with self.fname.open('rb') as fh:
             tmp_ = re.sub(b'[;,]', b' ', fh.read())