diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 0a8e6c2..8bce91e 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -194,22 +194,22 @@ class Timeline(Serializable, Signallable):
         self.emit("start-duration-changed", self.start, self.duration)
 
     def getAutoSettings(self):
-        vs = self.videocomp._getAutoSettings()
-        as = self.audiocomp._getAutoSettings()
-        if not vs and not as:
+        vcvs = self.videocomp._getAutoSettings()
+        acas = self.audiocomp._getAutoSettings()
+        if not vcvs and not acas:
             return None
         # return an ExportSettings containing the combination of
         # the autosettings from the audio and video composition.
         settings = ExportSettings()
-        if vs:
-            settings.videowidth = vs.videowidth
-            settings.videoheight = vs.videoheight
-            settings.videorate = vs.videorate
-            settings.videopar = vs.videopar
-        if as:
-            settings.audiochannels = as.audiochannels
-            settings.audiorate = as.audiorate
-            settings.audiodepth = as.audiodepth
+        if vcvs:
+            settings.videowidth = vcvs.videowidth
+            settings.videoheight = vcvs.videoheight
+            settings.videorate = vcvs.videorate
+            settings.videopar = vcvs.videopar
+        if acas:
+            settings.audiochannels = acas.audiochannels
+            settings.audiorate = acas.audiorate
+            settings.audiodepth = acas.audiodepth
         return settings
 
     def getDuration(self):