diff --git a/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs b/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs
index f80162b245..2af7c4a726 100644
--- a/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs
+++ b/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs
@@ -75,7 +75,7 @@ namespace Ryujinx.Core.OsHle.Services.Am
             return 0;
         }
 
-        public ulong InitializeGameplayRecording(ServiceCtx Context)
+        public long InitializeGameplayRecording(ServiceCtx Context)
         {
             //TODO: Stubbed