diff --git a/CanPorts.c b/CanPorts.c
index 4baf911..50bd349 100644
--- a/CanPorts.c
+++ b/CanPorts.c
@@ -264,12 +264,13 @@ static bool vCanPort_InitCan1() {
             (uint8_t *) &g_aRxDataBufCan1[0],
             size_aRxDataBuf,
 
-            NULL,
-            0,
+            IdCanSoftFilterCan1,
+            countIdCanSoftFilterCan1,
 
             IdCanFilterFifoCan1,
             countIdCanFilterFifoCan1,
 
+
             DMA1_IRQn,
             0xFF,
             DMA1_IRQn,