diff --git a/vpnsetup_alpine.sh b/vpnsetup_alpine.sh
index 26472d4..910102d 100755
--- a/vpnsetup_alpine.sh
+++ b/vpnsetup_alpine.sh
@@ -202,15 +202,17 @@ get_swan_ver() {
 }
 
 check_libreswan() {
-  ipsec_bin="/usr/local/sbin/ipsec"
   ipsec_ver=$(/usr/local/sbin/ipsec --version 2>/dev/null)
   swan_ver_old=$(printf '%s' "$ipsec_ver" | sed -e 's/.*Libreswan U\?//' -e 's/\( (\|\/K\).*//')
+  ipsec_bin="/usr/local/sbin/ipsec"
   if [ -n "$swan_ver_old" ] && printf '%s' "$ipsec_ver" | grep -qi 'libreswan' \
     && [ "$(find "$ipsec_bin" -mmin -10080)" ]; then
     return 0
   fi
-  [ -s "$ipsec_bin" ] && touch "$ipsec_bin"
   get_swan_ver
+  if [ -s "$ipsec_bin" ] && [ "$swan_ver_old" = "$SWAN_VER" ]; then
+    touch "$ipsec_bin"
+  fi
   [ "$swan_ver_old" = "$SWAN_VER" ]
 }
 
diff --git a/vpnsetup_amzn.sh b/vpnsetup_amzn.sh
index 8e5543b..7ec74e7 100755
--- a/vpnsetup_amzn.sh
+++ b/vpnsetup_amzn.sh
@@ -202,15 +202,17 @@ get_swan_ver() {
 }
 
 check_libreswan() {
-  ipsec_bin="/usr/local/sbin/ipsec"
   ipsec_ver=$(/usr/local/sbin/ipsec --version 2>/dev/null)
   swan_ver_old=$(printf '%s' "$ipsec_ver" | sed -e 's/.*Libreswan U\?//' -e 's/\( (\|\/K\).*//')
+  ipsec_bin="/usr/local/sbin/ipsec"
   if [ -n "$swan_ver_old" ] && printf '%s' "$ipsec_ver" | grep -qi 'libreswan' \
     && [ "$(find "$ipsec_bin" -mmin -10080)" ]; then
     return 0
   fi
-  [ -s "$ipsec_bin" ] && touch "$ipsec_bin"
   get_swan_ver
+  if [ -s "$ipsec_bin" ] && [ "$swan_ver_old" = "$SWAN_VER" ]; then
+    touch "$ipsec_bin"
+  fi
   [ "$swan_ver_old" = "$SWAN_VER" ]
 }
 
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index 4dc4ef9..e27838d 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -259,15 +259,17 @@ get_swan_ver() {
 }
 
 check_libreswan() {
-  ipsec_bin="/usr/local/sbin/ipsec"
   ipsec_ver=$(/usr/local/sbin/ipsec --version 2>/dev/null)
   swan_ver_old=$(printf '%s' "$ipsec_ver" | sed -e 's/.*Libreswan U\?//' -e 's/\( (\|\/K\).*//')
+  ipsec_bin="/usr/local/sbin/ipsec"
   if [ -n "$swan_ver_old" ] && printf '%s' "$ipsec_ver" | grep -qi 'libreswan' \
     && [ "$(find "$ipsec_bin" -mmin -10080)" ]; then
     return 0
   fi
-  [ -s "$ipsec_bin" ] && touch "$ipsec_bin"
   get_swan_ver
+  if [ -s "$ipsec_bin" ] && [ "$swan_ver_old" = "$SWAN_VER" ]; then
+    touch "$ipsec_bin"
+  fi
   [ "$swan_ver_old" = "$SWAN_VER" ]
 }
 
diff --git a/vpnsetup_ubuntu.sh b/vpnsetup_ubuntu.sh
index 0204572..7eac4b9 100755
--- a/vpnsetup_ubuntu.sh
+++ b/vpnsetup_ubuntu.sh
@@ -242,15 +242,17 @@ get_swan_ver() {
 }
 
 check_libreswan() {
-  ipsec_bin="/usr/local/sbin/ipsec"
   ipsec_ver=$(/usr/local/sbin/ipsec --version 2>/dev/null)
   swan_ver_old=$(printf '%s' "$ipsec_ver" | sed -e 's/.*Libreswan U\?//' -e 's/\( (\|\/K\).*//')
+  ipsec_bin="/usr/local/sbin/ipsec"
   if [ -n "$swan_ver_old" ] && printf '%s' "$ipsec_ver" | grep -qi 'libreswan' \
     && [ "$(find "$ipsec_bin" -mmin -10080)" ]; then
     return 0
   fi
-  [ -s "$ipsec_bin" ] && touch "$ipsec_bin"
   get_swan_ver
+  if [ -s "$ipsec_bin" ] && [ "$swan_ver_old" = "$SWAN_VER" ]; then
+    touch "$ipsec_bin"
+  fi
   [ "$swan_ver_old" = "$SWAN_VER" ]
 }