diff --git a/src/compiler/nir/nir_lower_uniforms_to_ubo.c b/src/compiler/nir/nir_lower_uniforms_to_ubo.c
index b1116e07a9d..12f835c3f0e 100644
--- a/src/compiler/nir/nir_lower_uniforms_to_ubo.c
+++ b/src/compiler/nir/nir_lower_uniforms_to_ubo.c
@@ -147,7 +147,7 @@ nir_lower_uniforms_to_ubo(nir_shader *shader, bool dword_packed, bool load_vec4)
 
       if (shader->num_uniforms > 0) {
          const struct glsl_type *type = glsl_array_type(glsl_vec4_type(),
-                                                        shader->num_uniforms, 0);
+                                                        shader->num_uniforms, 16);
          nir_variable *ubo = nir_variable_create(shader, nir_var_mem_ubo, type,
                                                  "uniform_0");
          ubo->data.binding = 0;