diff --git a/allanplot-gui.py b/allanplot-gui.py
index 62417d7..17f6ae3 100644
--- a/allanplot-gui.py
+++ b/allanplot-gui.py
@@ -43,7 +43,7 @@ class allanplot(QtGui.QMainWindow, allanplotUI.Ui_MainWindow):
                     textList = textList+'\n'+str(f)
                 with open(f, 'r') as dest_f:
                     data_iter = csv.reader(dest_f, delimiter = '\t', quotechar = '"')
-                    temp_data = [value for value in data_iter]
+                    temp_data = [filter(None, value) for value in data_iter]
                     self.data.extend(temp_data)
             self.data = numpy.asarray(self.data, dtype = float)
             self.textFileList.setText(textList)