diff --git a/ql-qlf-plugin/tests/qlf_k6n10f/sim_dsp_mult_r/sim_dsp_mult_r.v b/ql-qlf-plugin/tests/qlf_k6n10f/sim_dsp_mult_r/sim_dsp_mult_r.v
index 65e1b96..0f64dd7 100644
--- a/ql-qlf-plugin/tests/qlf_k6n10f/sim_dsp_mult_r/sim_dsp_mult_r.v
+++ b/ql-qlf-plugin/tests/qlf_k6n10f/sim_dsp_mult_r/sim_dsp_mult_r.v
@@ -52,6 +52,7 @@
         .feedback_i		(3'h0),
 	.register_inputs_i	(1'h1),
 	.output_select_i	(3'h0),
+	.clock_i		(clk),
         .z_o			(Z)
     );