diff --git a/config/action.d/mail-whois-lines.conf b/config/action.d/mail-whois-lines.conf
index 758c4eff..067c5819 100644
--- a/config/action.d/mail-whois-lines.conf
+++ b/config/action.d/mail-whois-lines.conf
@@ -39,8 +39,8 @@ actioncheck =
 actionban = printf %%b "Hi,\n
             The IP <ip> has just been banned by Fail2Ban after
             <failures> attempts against <name>.\n\n
-            Here are more information about <ip>:\n
-            `whois <ip>`\n\n
+            Here is more information about <ip>:\n
+            `whois <ip> || echo missing whois program`\n\n
             Lines containing IP:<ip> in <logpath>\n
             `grep '\<<ip>\>' <logpath>`\n\n
             Regards,\n
diff --git a/config/action.d/mail-whois.conf b/config/action.d/mail-whois.conf
index fa133ab3..e4c8450e 100644
--- a/config/action.d/mail-whois.conf
+++ b/config/action.d/mail-whois.conf
@@ -39,8 +39,8 @@ actioncheck =
 actionban = printf %%b "Hi,\n
             The IP <ip> has just been banned by Fail2Ban after
             <failures> attempts against <name>.\n\n
-            Here are more information about <ip>:\n
-            `whois <ip>`\n
+            Here is more information about <ip>:\n
+            `whois <ip> || echo missing whois program`\n
             Regards,\n
             Fail2Ban"|mail -s "[Fail2Ban] <name>: banned <ip> from `uname -n`" <dest>
 
diff --git a/config/action.d/sendmail-whois-lines.conf b/config/action.d/sendmail-whois-lines.conf
index 5a331e24..8cdafc0b 100644
--- a/config/action.d/sendmail-whois-lines.conf
+++ b/config/action.d/sendmail-whois-lines.conf
@@ -55,8 +55,8 @@ actionban = printf %%b "Subject: [Fail2Ban] <name>: banned <ip> from `uname -n`
             Hi,\n
             The IP <ip> has just been banned by Fail2Ban after
             <failures> attempts against <name>.\n\n
-            Here are more information about <ip>:\n
-            `/usr/bin/whois <ip>`\n\n
+            Here is more information about <ip>:\n
+            `/usr/bin/whois <ip> || echo missing whois program`\n\n
             Lines containing IP:<ip> in <logpath>\n
             `grep '\<<ip>\>' <logpath>`\n\n
             Regards,\n
diff --git a/config/action.d/sendmail-whois.conf b/config/action.d/sendmail-whois.conf
index a65f9875..e428c44d 100644
--- a/config/action.d/sendmail-whois.conf
+++ b/config/action.d/sendmail-whois.conf
@@ -55,8 +55,8 @@ actionban = printf %%b "Subject: [Fail2Ban] <name>: banned <ip> from `uname -n`
             Hi,\n
             The IP <ip> has just been banned by Fail2Ban after
             <failures> attempts against <name>.\n\n
-            Here are more information about <ip>:\n
-            `/usr/bin/whois <ip>`\n
+            Here is more information about <ip>:\n
+            `/usr/bin/whois <ip> || echo missing whois program`\n
             Regards,\n
             Fail2Ban" | /usr/sbin/sendmail -f <sender> <dest>