diff --git a/vpnsetup_alpine.sh b/vpnsetup_alpine.sh
index 4c9fa12..42a8309 100755
--- a/vpnsetup_alpine.sh
+++ b/vpnsetup_alpine.sh
@@ -264,6 +264,7 @@ EOF
 
 check_libreswan() {
   check_result=0
+  [ ! -d /etc/ipsec.d ] && { get_swan_ver; return 0; }
   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"
diff --git a/vpnsetup_amzn.sh b/vpnsetup_amzn.sh
index 2e1a2db..b4f3cec 100755
--- a/vpnsetup_amzn.sh
+++ b/vpnsetup_amzn.sh
@@ -282,6 +282,7 @@ EOF
 
 check_libreswan() {
   check_result=0
+  [ ! -d /etc/ipsec.d ] && { get_swan_ver; return 0; }
   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"
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index 8440412..9ff599f 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -385,6 +385,7 @@ EOF
 
 check_libreswan() {
   check_result=0
+  [ ! -d /etc/ipsec.d ] && { get_swan_ver; return 0; }
   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"
diff --git a/vpnsetup_ubuntu.sh b/vpnsetup_ubuntu.sh
index 26ddeb3..9d9e42a 100755
--- a/vpnsetup_ubuntu.sh
+++ b/vpnsetup_ubuntu.sh
@@ -345,6 +345,7 @@ EOF
 
 check_libreswan() {
   check_result=0
+  [ ! -d /etc/ipsec.d ] && { get_swan_ver; return 0; }
   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"