diff --git a/Raylib-cs/interop/Raylib.cs b/Raylib-cs/interop/Raylib.cs
index ffc777b..ed0086a 100644
--- a/Raylib-cs/interop/Raylib.cs
+++ b/Raylib-cs/interop/Raylib.cs
@@ -1429,7 +1429,7 @@ public static unsafe partial class Raylib
 
     /// <summary>Generate image: grayscale image from text data</summary>
     [DllImport(NativeLibName, CallingConvention = CallingConvention.Cdecl)]
-    public static extern Image GenImageText(int width, int height, int tileSize);
+    public static extern Image GenImageText(int width, int height, sbyte* text);
 
 
     // Image manipulation functions
diff --git a/Raylib-cs/types/Raylib.Utils.cs b/Raylib-cs/types/Raylib.Utils.cs
index 1bcb244..c3b2f1d 100644
--- a/Raylib-cs/types/Raylib.Utils.cs
+++ b/Raylib-cs/types/Raylib.Utils.cs
@@ -422,6 +422,13 @@ public static unsafe partial class Raylib
         }
     }
 
+    /// <summary>Generate image: grayscale image from text data</summary>
+    public static Image GenImageText(int width, int height, string text)
+    {
+        using var str1 = text.ToUtf8Buffer();
+        return GenImageText(width, height, str1.AsPointer());
+    }
+
     /// <summary>Create an image from text (default font)</summary>
     public static Image ImageText(string text, int fontSize, Color color)
     {