diff --git a/mpop/instruments/viirs.py b/mpop/instruments/viirs.py
index 915ac4c2..7c022846 100644
--- a/mpop/instruments/viirs.py
+++ b/mpop/instruments/viirs.py
@@ -229,7 +229,7 @@ def hr_green_snow(self):
     def red_snow(self):
         """Make a Red Snow RGB image composite.
         """
-        self.check_channels('M0', 'M10', 'M15')
+        self.check_channels('M05', 'M10', 'M15')
     
         ch1 = self['M05'].check_range()
         ch2 = self['M10'].check_range()