diff --git a/df_datalink_sp/src/networking/link_layer/link_layer.c b/df_datalink_sp/src/networking/link_layer/link_layer.c
index 30048ed..49cfa6b 100644
--- a/df_datalink_sp/src/networking/link_layer/link_layer.c
+++ b/df_datalink_sp/src/networking/link_layer/link_layer.c
@@ -332,7 +332,8 @@ void L2_FrameStateUpdate(L2_INST *instPtr)
 	ASSERT(instPtr != NULL);
 	PHY_INST *phyRef = instPtr->config.phyInstPtr;
 	bool isValid;
-
+	L2_FRAME_TYPE recvType = L2_GetLastOptFrameType(instPtr);
+	L2_FRAME_TYPE sendType = L2_GetNextFrameType(instPtr);
 	// Update frame state.
 	if (Phy_IsFrameValid(phyRef) == false)
 	{
@@ -347,7 +348,7 @@ void L2_FrameStateUpdate(L2_INST *instPtr)
 
 	// Update frame state.
 	// FIXME: add log
-	switch (L2_GetReceiveFrameType(instPtr))
+	switch (recvType)
 	{
 	case L2_SCAN_FRAME:
 	case L2_ADV_FRAME: