diff --git a/drivers/can/can.c b/drivers/can/can.c
index 7e838c168f..f5090c772f 100644
--- a/drivers/can/can.c
+++ b/drivers/can/can.c
@@ -1242,6 +1242,7 @@ int can_receive(FAR struct can_dev_s *dev, FAR struct can_hdr_s *hdr,
   int                      nexttail;
   int                      errcode = -ENOMEM;
   int                      i;
+  int                      j;
   int                      sval;
   int                      ret;
 
@@ -1291,7 +1292,7 @@ int can_receive(FAR struct can_dev_s *dev, FAR struct can_hdr_s *hdr,
               memcpy(&waitmsg->cm_hdr, hdr, sizeof(struct can_hdr_s));
 
               nbytes = can_dlc2bytes(hdr->ch_dlc);
-              for (i = 0, dest = waitmsg->cm_data; i < nbytes; i++)
+              for (j = 0, dest = waitmsg->cm_data; j < nbytes; j++)
                 {
                   *dest++ = *data++;
                 }