diff --git a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
index 8bcad066601..530036d3d70 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
@@ -351,6 +351,8 @@ spirv_builder_emit_access_chain(struct spirv_builder *b, SpvId result_type,
                                 SpvId base, const SpvId indexes[],
                                 size_t num_indexes)
 {
+   assert(base);
+   assert(result_type);
    SpvId result = spirv_builder_new_id(b);
 
    int words = 4 + num_indexes;