diff --git a/anti-aliasing/shaders/aa-shader-4.0.slang b/anti-aliasing/shaders/aa-shader-4.0.slang
index 4514c4c..8f25d3f 100644
--- a/anti-aliasing/shaders/aa-shader-4.0.slang
+++ b/anti-aliasing/shaders/aa-shader-4.0.slang
@@ -64,7 +64,7 @@ void main()
 	vec2 g1 = vec2(inv_size.x,inv_size.y);
 	vec2 g2 = vec2(-inv_size.x,inv_size.y);
 	
-	vec2 pC4 = floor(OGL2Pos) * inv_size;	
+	vec2 pC4 = floor(OGL2Pos) * 1.0001 * inv_size;	
 	
 	// Reading the texels
 	vec3 C1 = texture2d_(Source, pC4 - dy, yx);
@@ -99,4 +99,4 @@ void main()
 	vec3 c11 = 0.5*((dr*fp.x+dl*(1-fp.x))*fp.y+(ur*fp.x+ul*(1-fp.x))*(1-fp.y) );
 	
    FragColor = vec4(c11, 1.0);
-}
\ No newline at end of file
+}