diff --git a/INSTALL/Ventoy2Disk.sh b/INSTALL/Ventoy2Disk.sh
index a283423d..fb499a95 100644
--- a/INSTALL/Ventoy2Disk.sh
+++ b/INSTALL/Ventoy2Disk.sh
@@ -12,9 +12,9 @@ if [ -f ./ventoy/version ]; then
     curver=$(cat ./ventoy/version) 
 fi
 
-if uname -a | egrep -q 'aarch64|arm64'; then
+if uname -m | egrep -q 'aarch64|arm64'; then
     export TOOLDIR=aarch64
-elif uname -a | egrep -q 'x86_64|amd64'; then
+elif uname -m | egrep -q 'x86_64|amd64'; then
     export TOOLDIR=x86_64
 else
     export TOOLDIR=i386
diff --git a/INSTALL/VentoyWeb.sh b/INSTALL/VentoyWeb.sh
index 721e419a..4c811e00 100644
--- a/INSTALL/VentoyWeb.sh
+++ b/INSTALL/VentoyWeb.sh
@@ -23,9 +23,9 @@ fi
 
 OLDDIR=$(pwd)
 
-if uname -a | egrep -q 'aarch64|arm64'; then
+if uname -m | egrep -q 'aarch64|arm64'; then
     TOOLDIR=aarch64
-elif uname -a | egrep -q 'x86_64|amd64'; then
+elif uname -m | egrep -q 'x86_64|amd64'; then
     TOOLDIR=x86_64
 else
     TOOLDIR=i386