diff --git a/src/amd/ci/radeonsi-raven-fails.txt b/src/amd/ci/radeonsi-raven-fails.txt
index 97c8c241ddb..5b0fed533ff 100644
--- a/src/amd/ci/radeonsi-raven-fails.txt
+++ b/src/amd/ci/radeonsi-raven-fails.txt
@@ -68,6 +68,10 @@ program@execute@global-offset,Fail
 program@execute@global-offset@3d- input dependent,Fail
 program@execute@vector-conversion,Fail
 
+# piglit bug, pigligt checks the global limits, but radeonsi advertises
+# only half the threads if the work group size is variable...
+program@run kernel with max work item sizes,Fail
+
 # uprev Piglit in Mesa
 spec@ext_external_objects@vk-semaphores,Crash
 spec@ext_external_objects@vk-semaphores-2,Crash
diff --git a/src/gallium/frontends/rusticl/api/kernel.rs b/src/gallium/frontends/rusticl/api/kernel.rs
index 0505fd3cc7e..84db0545fb6 100644
--- a/src/gallium/frontends/rusticl/api/kernel.rs
+++ b/src/gallium/frontends/rusticl/api/kernel.rs
@@ -694,7 +694,7 @@ fn enqueue_ndrange_kernel(
     let device_bits = q.device.address_bits();
     let device_max = u64::MAX >> (u64::BITS - device_bits);
 
-    let mut threads = 0;
+    let mut threads = 1;
     for i in 0..work_dim as usize {
         let lws = local_work_size[i];
         let gws = global_work_size[i];