diff --git a/Ryujinx.HLE/HOS/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs b/Ryujinx.HLE/HOS/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
index e05ea77ce9..6b12ac325c 100644
--- a/Ryujinx.HLE/HOS/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
+++ b/Ryujinx.HLE/HOS/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
@@ -37,6 +37,7 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvHostCtrl
                 case 0x001d: return EventWait     (context);
                 case 0x001e: return EventWaitAsync(context);
                 case 0x001f: return EventRegister (context);
+                case 0x0021: return EventKill     (context);
             }
 
             throw new NotImplementedException(cmd.ToString("x8"));
@@ -150,6 +151,18 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvHostCtrl
             return NvResult.Success;
         }
 
+        private static int EventKill(ServiceCtx context)
+        {
+            long inputPosition  = context.Request.GetBufferType0x21().Position;
+            long outputPosition = context.Request.GetBufferType0x22().Position;
+
+            long events = context.Memory.ReadInt64(inputPosition);
+
+            Logger.PrintStub(LogClass.ServiceNv);
+
+            return NvResult.Success;
+        }
+
         private static int SyncptReadMinOrMax(ServiceCtx context, bool max)
         {
             long inputPosition  = context.Request.GetBufferType0x21().Position;