diff --git a/src/BizHawk.Client.Common/Api/Classes/GuiApi.cs b/src/BizHawk.Client.Common/Api/Classes/GuiApi.cs
index 9a4b0d04782..27f098a9515 100644
--- a/src/BizHawk.Client.Common/Api/Classes/GuiApi.cs
+++ b/src/BizHawk.Client.Common/Api/Classes/GuiApi.cs
@@ -181,7 +181,8 @@ public void DrawNew(string name, bool clear)
 
 		public (int Left, int Top, int Right, int Bottom) GetPadding() => _padding;
 
-		public void AddMessage(string message) => _displayManager.OSD.AddMessage(message);
+		public void AddMessage(string message, int? duration = null)
+			=> _displayManager.OSD.AddMessage(message, duration);
 
 		public void ClearGraphics(DisplaySurfaceID? surfaceID = null) => GetRelevantSurface(surfaceID).Clear();
 
diff --git a/src/BizHawk.Client.Common/Api/Interfaces/IGuiApi.cs b/src/BizHawk.Client.Common/Api/Interfaces/IGuiApi.cs
index 563eb2de8e7..40984abe031 100644
--- a/src/BizHawk.Client.Common/Api/Interfaces/IGuiApi.cs
+++ b/src/BizHawk.Client.Common/Api/Interfaces/IGuiApi.cs
@@ -26,7 +26,8 @@ public interface IGuiApi : IDisposable, IExternalApi
 		void SetPadding(int l, int t, int r, int b);
 		(int Left, int Top, int Right, int Bottom) GetPadding();
 
-		void AddMessage(string message);
+		void AddMessage(string message, int? duration = null);
+
 		void ClearGraphics(DisplaySurfaceID? surfaceID = null);
 		void ClearText();
 		void SetDefaultForegroundColor(Color color);
diff --git a/src/BizHawk.Client.Common/DisplayManager/OSDManager.cs b/src/BizHawk.Client.Common/DisplayManager/OSDManager.cs
index f5f5bbb5798..04f8645e44e 100644
--- a/src/BizHawk.Client.Common/DisplayManager/OSDManager.cs
+++ b/src/BizHawk.Client.Common/DisplayManager/OSDManager.cs
@@ -90,10 +90,11 @@ private string MakeFrameCounter()
 		private readonly List<UIDisplay> _guiTextList = new List<UIDisplay>();
 		private readonly List<UIDisplay> _ramWatchList = new List<UIDisplay>();
 
-		public void AddMessage(string message)
-		{
-			_messages.Add(new UIMessage { Message = message, ExpireAt = DateTime.Now + TimeSpan.FromSeconds(_config.OSDMessageDuration) });
-		}
+		public void AddMessage(string message, int? duration = null)
+			=> _messages.Add(new() {
+				Message = message,
+				ExpireAt = DateTime.Now + TimeSpan.FromSeconds(duration ?? _config.OSDMessageDuration),
+			});
 
 		public void ClearRamWatches()
 		{