diff --git a/render.c b/render.c
index 23ad460f..cfb6f0bb 100644
--- a/render.c
+++ b/render.c
@@ -624,6 +624,7 @@ render_cell(struct terminal *term, pixman_image_t *pix,
         &clip, x, y,
         render_width, term->cell_height);
     pixman_image_set_clip_region32(pix, &clip);
+    pixman_region32_fini(&clip);
 
     /* Background */
     pixman_image_fill_rectangles(