diff --git a/Snake.nocomments.sh b/Snake.nocomments.sh
old mode 100755
new mode 100644
index 0c68e3e..4c798c5
--- a/Snake.nocomments.sh
+++ b/Snake.nocomments.sh
@@ -388,10 +388,10 @@ local ssh_extra_options
 local ssh_extra_option
 ssh_extra_options=(-oHostkeyAlgorithms=+ssh-rsa -oKexAlgorithms=+diffie-hellman-group1-sha1)
 for ssh_extra_option in "${ssh_extra_options[@]}"; do
-[[ $(ssh "$ssh_extra_option" 2>&1) =~ Bad\ protocol\ 2\ host\ key\ algorithms|Bad\ SSH2\ KexAlgorithms|Bad\ key\ types ]] || ssh_options+=("$ssh_extra_option")
+[[ "$(ssh "$ssh_extra_option" 2>&1)" =~ Bad\ protocol\ 2\ host\ key\ algorithms|Bad\ SSH2\ KexAlgorithms|Bad\ key\ types|diffie-hellman-group1-sha1|ssh-rsa ]] || ssh_options+=("$ssh_extra_option")
 done
 ssh_extra_options="-oPubkeyAcceptedKeyTypes=+ssh-rsa"
-[[ $(ssh "$ssh_extra_option" 2>&1) =~ Bad\ configuration\ option|pubkeyacceptedkeytypes ]] || ssh_options+=("$ssh_extra_option")
+[[ "$(ssh "$ssh_extra_option" 2>&1)" =~ Bad\ configuration\ option|pubkeyacceptedkeytypes ]] || ssh_options+=("$ssh_extra_option")
 }
 init_current_ips() {
 local current_ip
diff --git a/Snake.sh b/Snake.sh
index f8c74fe..a875f04 100755
--- a/Snake.sh
+++ b/Snake.sh
@@ -662,10 +662,10 @@ check_ssh_options() {
 
   ssh_extra_options=(-oHostkeyAlgorithms=+ssh-rsa -oKexAlgorithms=+diffie-hellman-group1-sha1)
   for ssh_extra_option in "${ssh_extra_options[@]}"; do
-    [[ $(ssh "$ssh_extra_option" 2>&1) =~ Bad\ protocol\ 2\ host\ key\ algorithms|Bad\ SSH2\ KexAlgorithms|Bad\ key\ types ]] || ssh_options+=("$ssh_extra_option")
+    [[ "$(ssh "$ssh_extra_option" 2>&1)" =~ Bad\ protocol\ 2\ host\ key\ algorithms|Bad\ SSH2\ KexAlgorithms|Bad\ key\ types|diffie-hellman-group1-sha1|ssh-rsa ]] || ssh_options+=("$ssh_extra_option")
   done
   ssh_extra_options="-oPubkeyAcceptedKeyTypes=+ssh-rsa"
-  [[ $(ssh "$ssh_extra_option" 2>&1) =~ Bad\ configuration\ option|pubkeyacceptedkeytypes ]] || ssh_options+=("$ssh_extra_option")
+  [[ "$(ssh "$ssh_extra_option" 2>&1)" =~ Bad\ configuration\ option|pubkeyacceptedkeytypes ]] || ssh_options+=("$ssh_extra_option")
 }
 
 # Determining the ip address of the current destination is difficult because it may have multiple ip addresses, and we are likely to connect to both of them eventually (including 127.0.0.1 for example).