diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index 149dd9597aa..57e3720123f 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -2444,8 +2444,8 @@ img_filter_2d_ewa(const struct sp_sampler_view *sp_sview,
                const float weight = weightLut[qClamped];
 
                weight_buffer[buffer_next] = weight;
-               s_buffer[buffer_next] = u / ((float) width);
-               t_buffer[buffer_next] = v / ((float) height);
+               s_buffer[buffer_next] = (u + 0.5f) / width;
+               t_buffer[buffer_next] = (v + 0.5f) / height;
             
                buffer_next++;
                if (buffer_next == TGSI_QUAD_SIZE) {