diff --git a/src/gallium/drivers/r300/ci/r300-rv530-nohiz-fails.txt b/src/gallium/drivers/r300/ci/r300-rv530-nohiz-fails.txt
index 47540f540c7..ccb7c667b5e 100644
--- a/src/gallium/drivers/r300/ci/r300-rv530-nohiz-fails.txt
+++ b/src/gallium/drivers/r300/ci/r300-rv530-nohiz-fails.txt
@@ -369,6 +369,7 @@ shaders@glsl-uniform-interstage-limits@subdivide 5,Fail
 shaders@glsl-uniform-interstage-limits@subdivide 5- statechanges,Fail
 
 spec@!opengl 1.0@depth-clear-precision-check,Fail
+spec@!opengl 1.0@depth-clear-precision-check@depth16,Fail
 spec@!opengl 1.0@depth-clear-precision-check@depth24,Fail
 spec@!opengl 1.0@depth-clear-precision-check@depth24_stencil8,Fail
 spec@!opengl 1.0@depth-clear-precision-check@depth32,Fail
diff --git a/src/gallium/drivers/r300/ci/r300-rv530-nohiz-flakes.txt b/src/gallium/drivers/r300/ci/r300-rv530-nohiz-flakes.txt
index 0a79763a92a..426d1e286f3 100644
--- a/src/gallium/drivers/r300/ci/r300-rv530-nohiz-flakes.txt
+++ b/src/gallium/drivers/r300/ci/r300-rv530-nohiz-flakes.txt
@@ -23,4 +23,7 @@ spec@ati_fragment_shader@ati_fragment_shader-render-textargets
 
 # Nightly run expectations update
 spec@ati_fragment_shader@ati_fragment_shader-render-notexture
+spec@ext_texture_compression_s3tc@s3tc-errors_gles2
 
+# could be related to https://gitlab.freedesktop.org/mesa/piglit/-/merge_requests/899
+spec@!opengl 1.0@depth-clear-precision-check@depth16