diff --git a/nd2reader/reader.py b/nd2reader/reader.py
index cb0027f..1d4b3c4 100644
--- a/nd2reader/reader.py
+++ b/nd2reader/reader.py
@@ -55,7 +55,7 @@ class ND2Reader(FramesSequenceND):
     def get_frame_2D(self, c=0, t=0, z=0, x=0, y=0, v=0):
         """Fallback function for backwards compatibility
         """
-        return get_frame_vczyx(v=v, c=c, t=t, z=z, x=x, y=y)
+        return self.get_frame_vczyx(v=v, c=c, t=t, z=z, x=x, y=y)
 
     def get_frame_vczyx(self, v=None, c=None, t=None, z=None, x=None, y=None):
         x = self.metadata["width"] if x <= 0 else x