diff --git a/csm_web/scheduler/views/matcher.py b/csm_web/scheduler/views/matcher.py
index b667a133..21d0b97b 100644
--- a/csm_web/scheduler/views/matcher.py
+++ b/csm_web/scheduler/views/matcher.py
@@ -520,13 +520,13 @@ def run_matcher(course: Course):
     # get slot information
     matcher_slots = MatcherSlot.objects.filter(matcher=course.matcher)
     # get preference information
-    matcher_preference = MatcherPreference.objects.filter(slot__matcher=course.matcher)
+    matcher_preferences = MatcherPreference.objects.filter(slot__matcher=course.matcher)
 
     # list of all mentor ids
     mentor_list = list(
         map(
             MentorTuple,
-            list(set(matcher_preference.values_list("mentor", flat=True))),
+            list(set(matcher_preferences.values_list("mentor", flat=True))),
         )
     )
 
@@ -544,7 +544,7 @@ def run_matcher(course: Course):
             lambda preference: PreferenceTuple(
                 preference.mentor.id, preference.slot.id, preference.preference
             ),
-            matcher_preference,
+            matcher_preferences,
         )
     )