diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 4160003c8f6150dfbe69bcbef89b2d16d1a3320c..6d5ba9d732226e4e117e976efea83232a520a39b 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -404,7 +404,7 @@ static int mmc_send_op_cond(void)
 			return 0;
 		}
 
-		mdelay(1);
+		mdelay(10);
 	}
 
 	ERROR("CMD1 failed after %d retries\n", SEND_OP_COND_MAX_RETRIES);