diff --git a/src/NadekoBot/Modules/Utility/Services/RunningRepeater.cs b/src/NadekoBot/Modules/Utility/Services/RunningRepeater.cs
index 2420efd9a..dc736da4f 100644
--- a/src/NadekoBot/Modules/Utility/Services/RunningRepeater.cs
+++ b/src/NadekoBot/Modules/Utility/Services/RunningRepeater.cs
@@ -93,7 +93,7 @@ namespace NadekoBot.Modules.Utility.Services
             return DateTime.UtcNow + (Repeater.Interval * initialIntervalMultiplier);
         }
 
-        public override bool Equals(object? obj)
+        public override bool Equals(object obj)
         {
             return obj is RunningRepeater rr && rr.Repeater.Id == this.Repeater.Id;
         }