diff --git a/RM55x_rcPCIe_toolkit.sh b/RM55x_rcPCIe_toolkit.sh
index 7415e9e..eff78d9 100644
--- a/RM55x_rcPCIe_toolkit.sh
+++ b/RM55x_rcPCIe_toolkit.sh
@@ -101,27 +101,24 @@ send_at_commands() {
 }
 
 basic_55x_setup() {
-    # Check the mount environment
-    df -h
-    
     # Check if /etc is mounted
-    if mountpoint -q /etc; then
+    if grep -qs '/etc ' /proc/mounts; then
         echo "Unmounting /etc..."
         umount -lf /etc
     fi
     
     # Check if /real_rootfs is mounted
-    if mountpoint -q /real_rootfs; then
+    if grep -qs '/real_rootfs ' /proc/mounts; then
         # Echo message in red
         echo -e "\033[31mThe environment has already been setup. If you want to undo the changes temporarily run service mount-fix stop.\033[0m"
         exit 1
     fi
 
-    # Check if neither /etc nor /real_rootfs exists
-    if ! mountpoint -q /etc && ! mountpoint -q /real_rootfs; then
+    # Check if neither /etc nor /real_rootfs is mounted
+    if ! grep -qs '/etc ' /proc/mounts && ! grep -qs '/real_rootfs ' /proc/mounts; then
         # Echo message in red
         echo -e "\033[31mSomething is wrong or this is not an SDXPINN modem.\033[0m"
-		echo -e "\033[31mI was expecting either /etc or /real_rootfs to be a mount point.\033[0m"
+        echo -e "\033[31mI was expecting either /etc or /real_rootfs to be a mount point.\033[0m"
         exit 1
     fi