diff --git a/apps/apache/serverstatus/mode/cpuload.pm b/apps/apache/serverstatus/mode/cpuload.pm
index 32e46e0c6..c06b43479 100644
--- a/apps/apache/serverstatus/mode/cpuload.pm
+++ b/apps/apache/serverstatus/mode/cpuload.pm
@@ -51,7 +51,7 @@ sub new {
     $options{options}->add_options(arguments =>
             {
             "hostname:s"        => { name => 'hostname' },
-            "port:s"            => { name => 'port', default => '80' },
+            "port:s"            => { name => 'port', },
             "proto:s"           => { name => 'proto', default => "http" },
             "urlpath:s"         => { name => 'url_path', default => "/server-status/?auto" },
             "credentials"       => { name => 'credentials' },
diff --git a/apps/apache/serverstatus/mode/requests.pm b/apps/apache/serverstatus/mode/requests.pm
index 17d3eed6f..4902b1220 100644
--- a/apps/apache/serverstatus/mode/requests.pm
+++ b/apps/apache/serverstatus/mode/requests.pm
@@ -52,7 +52,7 @@ sub new {
     $options{options}->add_options(arguments =>
             {
             "hostname:s"        => { name => 'hostname' },
-            "port:s"            => { name => 'port', default => '80' },
+            "port:s"            => { name => 'port', },
             "proto:s"           => { name => 'proto', default => "http" },
             "urlpath:s"         => { name => 'url_path', default => "/server-status/?auto" },
             "credentials"       => { name => 'credentials' },
diff --git a/apps/apache/serverstatus/mode/responsetime.pm b/apps/apache/serverstatus/mode/responsetime.pm
index 121142b4c..ec8c06364 100644
--- a/apps/apache/serverstatus/mode/responsetime.pm
+++ b/apps/apache/serverstatus/mode/responsetime.pm
@@ -52,7 +52,7 @@ sub new {
     $options{options}->add_options(arguments =>
          {
          "hostname:s"   => { name => 'hostname' },
-         "port:s"       => { name => 'port', default => '80' },
+         "port:s"       => { name => 'port', },
          "proto:s"      => { name => 'proto', default => "http" },
          "urlpath:s"    => { name => 'url_path', default => "/server-status/?auto" },
          "credentials"  => { name => 'credentials' },
diff --git a/apps/apache/serverstatus/mode/slotstates.pm b/apps/apache/serverstatus/mode/slotstates.pm
index 1f62d0fe0..f012f33d2 100644
--- a/apps/apache/serverstatus/mode/slotstates.pm
+++ b/apps/apache/serverstatus/mode/slotstates.pm
@@ -51,7 +51,7 @@ sub new {
     $options{options}->add_options(arguments =>
             {
             "hostname:s"    => { name => 'hostname' },
-            "port:s"        => { name => 'port', default => '80' },
+            "port:s"        => { name => 'port', },
             "proto:s"       => { name => 'proto', default => "http" },
             "urlpath:s"     => { name => 'url_path', default => "/server-status/?auto" },
             "credentials"   => { name => 'credentials' },
diff --git a/apps/apache/serverstatus/mode/workers.pm b/apps/apache/serverstatus/mode/workers.pm
index 657e885cc..b99f2a0a5 100644
--- a/apps/apache/serverstatus/mode/workers.pm
+++ b/apps/apache/serverstatus/mode/workers.pm
@@ -51,7 +51,7 @@ sub new {
     $options{options}->add_options(arguments =>
             {
             "hostname:s"    => { name => 'hostname' },
-            "port:s"        => { name => 'port', default => '80' },
+            "port:s"        => { name => 'port', },
             "proto:s"       => { name => 'proto', default => "http" },
             "urlpath:s"     => { name => 'url_path', default => "/server-status/?auto" },
             "credentials"   => { name => 'credentials' },
diff --git a/centreon/plugins/httplib.pm b/centreon/plugins/httplib.pm
index 3c812f793..7ca20c856 100644
--- a/centreon/plugins/httplib.pm
+++ b/centreon/plugins/httplib.pm
@@ -46,8 +46,13 @@ sub connect {
     my $connection_exit = defined($options{connection_exit}) ? $options{connection_exit} : 'unknown';
     
     my ($response, $content);
+    my $req;
 
-    my $req = HTTP::Request->new( GET => $self->{option_results}->{proto}. "://" . $self->{option_results}->{hostname}.':'. $self->{option_results}->{port} . $self->{option_results}->{url_path});
+    if (defined($self->{option_results}->{port})) {
+        $req = HTTP::Request->new( GET => $self->{option_results}->{proto}. "://" . $self->{option_results}->{hostname}.':'. $self->{option_results}->{port} . $self->{option_results}->{url_path});
+    } else {
+        $req = HTTP::Request->new( GET => $self->{option_results}->{proto}. "://" . $self->{option_results}->{hostname} . $self->{option_results}->{url_path});
+    }
     
     if (defined($self->{option_results}->{credentials})) {
         $req->authorization_basic($self->{option_results}->{username}, $self->{option_results}->{password});