diff --git a/test/feature/suspend_transmission_feature_tb.vhd b/test/feature/suspend_transmission_feature_tb.vhd
index 92bbcbdb71327bc9f796d15a040124cbfd6c4d09..4ea171c1c927cf73eba9c578f91a4108137f88cf 100644
--- a/test/feature/suspend_transmission_feature_tb.vhd
+++ b/test/feature/suspend_transmission_feature_tb.vhd
@@ -199,7 +199,7 @@ package body suspend_transmission_feature is
             while (protocol_type'VAL(to_integer(unsigned(
                     iout(1).stat_bus(STAT_PC_STATE_HIGH downto
                                         STAT_PC_STATE_LOW))))
-                    = sof)
+                    /= sof)
             loop
                 wait until rising_edge(mem_bus(1).clk_sys);
             end loop;