diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c
index fffa70a4d16..510044aa7f8 100644
--- a/src/freedreno/vulkan/tu_pipeline.c
+++ b/src/freedreno/vulkan/tu_pipeline.c
@@ -1415,7 +1415,7 @@ tu6_emit_fs_outputs(struct tu_cs *cs,
    enum a6xx_ztest_mode zmode;
 
    if ((fs->shader && !fs->shader->nir->info.fs.early_fragment_tests) &&
-       (fs->no_earlyz || fs->has_kill || fs->writes_pos || fs->writes_stencilref || no_earlyz)) {
+       (fs->no_earlyz || fs->has_kill || fs->writes_pos || fs->writes_stencilref || no_earlyz || fs->writes_smask)) {
       zmode = A6XX_LATE_Z;
    } else {
       zmode = A6XX_EARLY_Z;