diff --git a/df_datalink_sp/src/networking/phy_layer/phy_layer.c b/df_datalink_sp/src/networking/phy_layer/phy_layer.c
index e1f4f62..10f14fd 100644
--- a/df_datalink_sp/src/networking/phy_layer/phy_layer.c
+++ b/df_datalink_sp/src/networking/phy_layer/phy_layer.c
@@ -164,11 +164,27 @@ inline L1_FRAME_TYPE Phy_GetLastRecvFrameType(PHY_INST *instPtr)
 	{
 		return L1_NONE_FRAME;
 	}
-	int32_t frame_type = (PhyRead(instPtr, PHY_MODE_CTRL) & PHY_MODE_CTRL_FRAME_MASK) >> PHY_MODE_CTRL_FRAME_SHIFT;
-	if (frame_type < L1_1M2BPS_5MS_FRAME)
-		return frame_type;
-	else
+	int32_t frame_type = (PhyRead(instPtr, COASE_FREQEST) & COASE_TYPE_MASK);
+	switch (frame_type) {
+		case COASE_TYPE_2KBPS_20MS:
+		return L1_2KBPS_20MS_FRAME;
+		case COASE_TYPE_2KBPS_100MS:
+		return L1_2KBPS_100MS_FRAME;
+		case COASE_TYPE_10KBPS_10MS:
+		return L1_10KBPS_10MS_FRAME;
+		case COASE_TYPE_10KBPS_20MS:
+		return L1_10KBPS_20MS_FRAME;
+		case COASE_TYPE_40KBPS_20MS:
+		return L1_40KBPS_20MS_FRAME;
+		case COASE_TYPE_40KBPS_10MS:
+		return L1_40KBPS_10MS_FRAME;
+		case COASE_TYPE_200KBPS_5MS:
+		return L1_200KBPS_5MS_FRAME;
+		case COASE_TYPE_1M2BPS_5MS:
+		return L1_1M2BPS_5MS_FRAME;
+		default:
 		return L1_NONE_FRAME;
+	}
 }
 
 /*****************************************************************************/