diff --git a/oem/ibm/service_files/scripts/create-NVRAM-cksum-file b/oem/ibm/service_files/scripts/create-NVRAM-cksum-file
index 276f824..e33054f 100755
--- a/oem/ibm/service_files/scripts/create-NVRAM-cksum-file
+++ b/oem/ibm/service_files/scripts/create-NVRAM-cksum-file
@@ -3,5 +3,5 @@
 if [ -f /var/lib/pldm/PHYP-NVRAM-CKSUM ]; then
     mv /var/lib/pldm/PHYP-NVRAM-CKSUM /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM-CKSUM;
 else
-    dd if=/dev/zero of=/var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM-CKSUM bs=16 count=1;
+    truncate -s 16 /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM-CKSUM
 fi
diff --git a/oem/ibm/service_files/scripts/create-NVRAM-file b/oem/ibm/service_files/scripts/create-NVRAM-file
index 6e35c46..f55203d 100755
--- a/oem/ibm/service_files/scripts/create-NVRAM-file
+++ b/oem/ibm/service_files/scripts/create-NVRAM-file
@@ -3,5 +3,5 @@
 if [ -f /var/lib/pldm/PHYP-NVRAM ]; then
     mv /var/lib/pldm/PHYP-NVRAM /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM;
 else
-    dd if=/dev/zero of=/var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM bs=1024 count=145408;
+    truncate -s $((1024 * 145408)) /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM
 fi