diff --git a/app/services/interactors/match_live_times.rb b/app/services/interactors/match_live_times.rb
index a2febba09..b481cc1b9 100644
--- a/app/services/interactors/match_live_times.rb
+++ b/app/services/interactors/match_live_times.rb
@@ -30,7 +30,7 @@ def perform!
     attr_reader :event, :live_times, :errors, :resources
 
     def match_live_time_to_split_time(live_time)
-      split_time = live_time.absolute_time && event.split_times.where(match_attributes(live_time)).find { |st| st.day_and_time == live_time.absolute_time }
+      split_time = matching_split_time(live_time)
       if split_time
         live_time.update(split_time: split_time)
         matched_live_times << live_time
@@ -39,6 +39,12 @@ def match_live_time_to_split_time(live_time)
       end
     end
 
+    def matching_split_time(live_time)
+      live_time.absolute_time &&
+          !live_time.matched? &&
+          event.split_times.where(match_attributes(live_time)).find { |st| st.day_and_time == live_time.absolute_time }
+    end
+
     def match_attributes(live_time)
       attributes = {split: live_time.split, bitkey: live_time.bitkey}
       attributes[:pacer] = live_time.with_pacer unless live_time.with_pacer.nil?