diff --git a/wireguard-install.sh b/wireguard-install.sh
index 07ef9a1..b0bd456 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -67,6 +67,10 @@ read -rp "First DNS resolver to use for the client: " -e -i "$CLIENT_DNS_1" CLIE
 CLIENT_DNS_2="176.103.130.131"
 read -rp "Second DNS resolver to use for the client: " -e -i "$CLIENT_DNS_2" CLIENT_DNS_2
 
+# Ask for pre-shared symmetric key
+IS_PRE_SYMM="y"
+read -rp "Want to use pre-shared symmetric key? [Y/n]: " -e -i "$IS_PRE_SYMM" IS_PRE_SYMM
+
 if [[ $SERVER_PUB_IP =~ .*:.* ]]
 then
   echo "IPv6 Detected"
@@ -133,6 +137,15 @@ PublicKey = $SERVER_PUB_KEY
 Endpoint = $ENDPOINT
 AllowedIPs = 0.0.0.0/0,::/0" >> "$HOME/$SERVER_WG_NIC-client.conf"
 
+# Add pre shared symmetric key to respective files
+case "$IS_PRE_SYMM" in
+    [yY][eE][sS]|[yY]) 
+        CLIENT_SYMM_PRE_KEY=$( wg genpsk )
+        echo "PresharedKey = $CLIENT_SYMM_PRE_KEY" >> "/etc/wireguard/$SERVER_WG_NIC.conf"
+        echo "PresharedKey = $CLIENT_SYMM_PRE_KEY" >> "$HOME/$SERVER_WG_NIC-client.conf"
+        ;;
+esac
+
 chmod 600 -R /etc/wireguard/
 
 # Enable routing on the server