diff --git a/src/compiler/nir/nir_lower_task_shader.c b/src/compiler/nir/nir_lower_task_shader.c
index e242c0d1171..6d7040828fe 100644
--- a/src/compiler/nir/nir_lower_task_shader.c
+++ b/src/compiler/nir/nir_lower_task_shader.c
@@ -88,10 +88,23 @@ append_launch_mesh_workgroups_to_nv_task(nir_builder *b,
    nir_ssa_def *zero = nir_imm_int(b, 0);
    nir_store_shared(b, zero, zero, .base = s->task_count_shared_addr);
 
+   nir_scoped_barrier(b,
+         .execution_scope = NIR_SCOPE_WORKGROUP,
+         .memory_scope = NIR_SCOPE_WORKGROUP,
+         .memory_semantics = NIR_MEMORY_RELEASE,
+         .memory_modes = nir_var_mem_shared);
+
    /* At the end of the shader, read the task count from shared memory
     * and emit launch_mesh_workgroups.
     */
    b->cursor = nir_after_cf_list(&b->impl->body);
+
+   nir_scoped_barrier(b,
+         .execution_scope = NIR_SCOPE_WORKGROUP,
+         .memory_scope = NIR_SCOPE_WORKGROUP,
+         .memory_semantics = NIR_MEMORY_ACQUIRE,
+         .memory_modes = nir_var_mem_shared);
+
    nir_ssa_def *task_count =
       nir_load_shared(b, 1, 32, zero, .base = s->task_count_shared_addr);