diff --git a/WHATS_NEW b/WHATS_NEW
index 844f69084..fed5faedc 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.03.17 - 
 ===============================
+ Fix vdo_slab_size_mb value for converted VDO volume.
 
 Version 2.03.16 - 18th May 2022
 ===============================
diff --git a/scripts/lvm_import_vdo.sh b/scripts/lvm_import_vdo.sh
index d01766743..c10b3b050 100755
--- a/scripts/lvm_import_vdo.sh
+++ b/scripts/lvm_import_vdo.sh
@@ -125,15 +125,6 @@ get_kb_size_with_unit_() {
 	esac
 }
 
-get_mb_size_with_unit_() {
-	case "$1" in
-	*[mM]) echo $(( ${1%[mM]} )) ;;
-	*[gG]) echo $(( ${1%[gG]} * 1024 )) ;;
-	*[tT]) echo $(( ${1%[tT]} * 1024 * 1024 )) ;;
-	*[pP]) echo $(( ${1%[pP]} * 1024 * 1024 * 1024 )) ;;
-	esac
-}
-
 # Figure out largest possible extent size usable for VG
 # $1   physical size
 # $2   logical size
@@ -328,12 +319,12 @@ allocation {
 	vdo_use_deduplication = $(get_enabled_value_ "$vdo_deduplication")
 	vdo_use_metadata_hints=1
 	vdo_minimum_io_size = $vdo_logicalBlockSize
-	vdo_block_map_cache_size_mb = $(get_mb_size_with_unit_ "$vdo_blockMapCacheSize")
+	vdo_block_map_cache_size_mb = $(( $(get_kb_size_with_unit_ "$vdo_blockMapCacheSize") / 1024 ))
 	vdo_block_map_period = $vdo_blockMapPeriod
 	vdo_check_point_frequency = $vdo_indexCfreq
 	vdo_use_sparse_index = $(get_enabled_value_ "$vdo_indexSparse")
 	vdo_index_memory_size_mb = $(awk "BEGIN {print $vdo_indexMemory * 1024}")
-	vdo_slab_size_mb = $(get_mb_size_with_unit_ "$vdo_blockMapCacheSize")
+	vdo_slab_size_mb = $(( $(get_kb_size_with_unit_ "$vdo_blockMapCacheSize") / 1024 ))
 	vdo_ack_threads = $vdo_ackThreads
 	vdo_bio_threads = $vdo_bioThreads
 	vdo_bio_rotation = $vdo_bioRotationInterval
@@ -417,7 +408,7 @@ EOF
 	# Note: that this is spelled OPPOSITE the other $IS_LV checks.
 	if [ "$IS_LV" = "1" ]; then
 		verbose "Removing now-unused VDO entry from VDO config."
-		dry "$VDO" remove $VDOCONF --force --verbose --name "$VDONAME"
+		dry "$VDO" remove $VDOCONF $VERB --force --name "$VDONAME"
 	fi
 
 	rm -fr "$TEMPDIR"