diff --git a/plat/xilinx/versal_net/plat_psci_pm.c b/plat/xilinx/versal_net/plat_psci_pm.c
index fb2005d..7a653d4 100644
--- a/plat/xilinx/versal_net/plat_psci_pm.c
+++ b/plat/xilinx/versal_net/plat_psci_pm.c
@@ -247,7 +247,7 @@
 
 	int32_t pstate = psci_get_pstate_type(power_state);
 
-	assert(req_state);
+	assert(req_state != NULL);
 
 	/* Sanity check the requested state */
 	if (pstate == PSTATE_TYPE_STANDBY) {