diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index a7973a525db..80b859f6bb0 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -1157,7 +1157,7 @@ struct pipe_screen *r600_screen_create(struct radeon_winsys *ws)
 	 * case were triggering lockup quickly such as :
 	 * piglit/bin/depthstencil-render-miplevels 1024 d=s=z24_s8
 	 */
-	rscreen->use_hyperz = debug_get_bool_option("R600_HYPERZ", TRUE);
+	rscreen->use_hyperz = debug_get_bool_option("R600_HYPERZ", FALSE);
 	rscreen->use_hyperz = rscreen->info.drm_minor >= 26 ? rscreen->use_hyperz : FALSE;
 
 	rscreen->global_pool = compute_memory_pool_new(rscreen);