diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 2a833686784b6b459d9744b366ef22cb5ca1279c..86803a3a04dc9609a0c55de2df03f3a9e8cb1341 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -271,7 +271,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
 	if (debounce) {
 		ret = gpiod_set_debounce(desc, debounce);
 		if (ret < 0)
-			ctx->cd_debounce_delay_ms = debounce;
+			ctx->cd_debounce_delay_ms = debounce / 1000;
 	}
 
 	if (gpio_invert)