diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 4afb6988c7..44225bae9b 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1090,6 +1090,7 @@ static sd_rsp_type_t sd_cmd_SET_BLOCK_COUNT(SDState *sd, SDRequest req)
     }
 
     sd->multi_blk_cnt = req.arg;
+    trace_sdcard_set_block_count(sd->multi_blk_cnt);
 
     return sd_r1;
 }
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 94a00557b2..724365efc3 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -43,7 +43,8 @@ sdcard_response(const char *rspdesc, int rsplen) "%s (sz:%d)"
 sdcard_powerup(void) ""
 sdcard_inquiry_cmd41(void) ""
 sdcard_reset(void) ""
-sdcard_set_blocklen(uint16_t length) "0x%03x"
+sdcard_set_blocklen(uint16_t length) "block len 0x%03x"
+sdcard_set_block_count(uint32_t cnt) "block cnt 0x%"PRIx32
 sdcard_inserted(bool readonly) "read_only: %u"
 sdcard_ejected(void) ""
 sdcard_erase(uint32_t first, uint32_t last) "addr first 0x%" PRIx32" last 0x%" PRIx32