diff --git a/src/gallium/drivers/r600/r600_pipe_common.c b/src/gallium/drivers/r600/r600_pipe_common.c
index 7daf093c3f8..cd23c1c901e 100644
--- a/src/gallium/drivers/r600/r600_pipe_common.c
+++ b/src/gallium/drivers/r600/r600_pipe_common.c
@@ -201,6 +201,7 @@ void r600_draw_rectangle(struct blitter_context *blitter,
 	rctx->b.set_vertex_buffers(&rctx->b, 1, &vbuffer);
 	util_draw_arrays_instanced(&rctx->b, R600_PRIM_RECTANGLE_LIST, 0, 3,
 				   0, num_instances);
+	pipe_resource_reference(&buf, NULL);
 }
 
 static void r600_dma_emit_wait_idle(struct r600_common_context *rctx)