diff --git a/app/spdk_dd/spdk_dd.c b/app/spdk_dd/spdk_dd.c
index 36aae9624..e0f839a15 100644
--- a/app/spdk_dd/spdk_dd.c
+++ b/app/spdk_dd/spdk_dd.c
@@ -228,8 +228,8 @@ dd_show_progress(uint64_t offset, uint64_t length, bool finish)
 
 	/* Find the rigth unit for size displaying (B vs kB vs MB vs GB vs TB) */
 	while (size > 1024 * 10) {
-		size /= 1024;
-		size_unit *= 1024;
+		size >>= 10;
+		size_unit <<= 10;
 		size_unit_str = unit_str[++i];
 		if (i == 4) {
 			break;
@@ -248,8 +248,8 @@ dd_show_progress(uint64_t offset, uint64_t length, bool finish)
 
 	/* Find the rigth unit for speed displaying (Bps vs kBps vs MBps vs GBps vs TBps) */
 	while (tmp_speed > 1024) {
-		tmp_speed /= 1024;
-		speed_unit *= 1024;
+		tmp_speed >>= 10;
+		speed_unit <<= 10;
 		speed_unit_str = unit_str[++i];
 		if (i == 4) {
 			break;