diff --git a/src/xrt/compositor/util/comp_render_cs.c b/src/xrt/compositor/util/comp_render_cs.c
index d3cfbac22..8201407ae 100644
--- a/src/xrt/compositor/util/comp_render_cs.c
+++ b/src/xrt/compositor/util/comp_render_cs.c
@@ -425,8 +425,8 @@ do_cs_distortion_for_layer(struct render_compute *crc,
 		src_image_view = get_image_view(image, data->flags, array_index);
 
 		if (data->flip_y) {
+			src_norm_rect.y += src_norm_rect.h;
 			src_norm_rect.h = -src_norm_rect.h;
-			src_norm_rect.y = 1 + src_norm_rect.y;
 		}
 
 		// Fill in data.
diff --git a/src/xrt/compositor/util/comp_render_gfx.c b/src/xrt/compositor/util/comp_render_gfx.c
index abf7c9359..6d1acaa62 100644
--- a/src/xrt/compositor/util/comp_render_gfx.c
+++ b/src/xrt/compositor/util/comp_render_gfx.c
@@ -774,8 +774,8 @@ do_mesh_from_proj(struct render_gfx *rr,
 		const VkImageView src_image_view = get_image_view(image, data->flags, array_index);
 
 		if (data->flip_y) {
+			src_norm_rect.y += src_norm_rect.h;
 			src_norm_rect.h = -src_norm_rect.h;
-			src_norm_rect.y = 1 + src_norm_rect.y;
 		}
 
 		gfx_mesh_add_view(         //