diff --git a/platform/broadcom/sonic-platform-modules-accton/as7326-56x/utils/pre_pddf_init.sh b/platform/broadcom/sonic-platform-modules-accton/as7326-56x/utils/pre_pddf_init.sh
new file mode 100755
index 0000000000..8b8c45ef54
--- /dev/null
+++ b/platform/broadcom/sonic-platform-modules-accton/as7326-56x/utils/pre_pddf_init.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Steps to check syseeprom i2c address
+modprobe i2c-i801
+modprobe i2c-dev
+use_57_eeprom=true
+i2cget -y -f 0 0x56 0x0
+if [ $? -eq 0 ]; then
+    use_57_eeprom=false
+    echo "The board has system EEPROM at I2C address 0x56."
+fi
+
+if $use_57_eeprom ; then
+    echo "The board has system EEPROM at I2C address 0x57."
+    # syseeprom is at the i2c address 0x57. Change the PDDF JSON file
+    if [ -f /usr/share/sonic/device/x86_64-accton_as7326_56x-r0/pddf_support ] && \
+       [ -f /usr/share/sonic/device/x86_64-accton_as7326_56x-r0/pddf/pddf-device.json ]; then
+        sed -i 's@"topo_info": {"parent_bus": "0x0", "dev_addr": "0x56", "dev_type": "24c04"},@\
+            "topo_info": {"parent_bus": "0x0", "dev_addr": "0x57", "dev_type": "24c02"},@g' \
+            /usr/share/sonic/device/x86_64-accton_as7326_56x-r0/pddf/pddf-device.json
+        sync
+    fi
+fi
diff --git a/platform/broadcom/sonic-platform-modules-accton/debian/sonic-platform-accton-as7326-56x.postinst b/platform/broadcom/sonic-platform-modules-accton/debian/sonic-platform-accton-as7326-56x.postinst
index 94fd9cf67d..035f07e571 100644
--- a/platform/broadcom/sonic-platform-modules-accton/debian/sonic-platform-accton-as7326-56x.postinst
+++ b/platform/broadcom/sonic-platform-modules-accton/debian/sonic-platform-accton-as7326-56x.postinst
@@ -2,24 +2,6 @@
 # Disable monitor, monitor-fan, monitor-psu (not enabling them would imply they will be disabled by default)
 # Enable pddf-platform-monitor
 
-# Steps to check syseeprom i2c address
-modprobe i2c-i801
-modprobe i2c-dev
-use_57_eeprom=true
-(i2cget -y -f 0 0x56 0x0) > /dev/null 2>&1
-if [ $? -eq 0 ]; then
-    use_57_eeprom=false
-fi
-
-if $use_57_eeprom ; then
-    echo "The board has system EEPROM at I2C address 0x57"
-    # syseeprom is at the i2c address 0x57. Change the PDDF JSON file
-    sed -i 's@"topo_info": {"parent_bus": "0x0", "dev_addr": "0x56", "dev_type": "24c04"},@\
-        "topo_info": {"parent_bus": "0x0", "dev_addr": "0x57", "dev_type": "24c02"},@g' \
-        /usr/share/sonic/device/x86_64-accton_as7326_56x-r0/pddf/pddf-device.json
-    sync
-fi
-
 depmod -a
 systemctl enable as7326-platform-handle_mac.service
 systemctl start as7326-platform-handle_mac.service