diff --git a/Source/Utilities/Fonts/TextureFont.cs b/Source/Utilities/Fonts/TextureFont.cs
index ae1e1ec0..559973c2 100644
--- a/Source/Utilities/Fonts/TextureFont.cs
+++ b/Source/Utilities/Fonts/TextureFont.cs
@@ -401,8 +401,16 @@ using System.Text.RegularExpressions;
             GL.BindTexture(TextureTarget.Texture2D, texture);
             GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
             GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
-            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
-            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
+            if (GL.SupportsExtension("Version12"))
+            {
+                GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
+                GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
+            }
+            else
+            {
+                GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.Clamp);
+                GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.Clamp);
+            }
 
             GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Alpha, texture_width, texture_height, 0,
                 OpenTK.Graphics.PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);