diff --git a/apps/protocols/http/mode/expectedcontent.pm b/apps/protocols/http/mode/expectedcontent.pm
index 09f0860a7..47a79b8b8 100644
--- a/apps/protocols/http/mode/expectedcontent.pm
+++ b/apps/protocols/http/mode/expectedcontent.pm
@@ -43,7 +43,7 @@ sub new {
             "urlpath:s"             => { name => 'url_path' },
             "credentials"           => { name => 'credentials' },
             "ntlm"                  => { name => 'ntlm' },
-	    "ntlmv2"		    => { name => 'ntlmv2' },
+            "ntlmv2"                => { name => 'ntlmv2' },
             "username:s"            => { name => 'username' },
             "password:s"            => { name => 'password' },
             "proxyurl:s"            => { name => 'proxyurl' },
diff --git a/apps/protocols/http/mode/jsoncontent.pm b/apps/protocols/http/mode/jsoncontent.pm
index 5a302096d..6f21c23b1 100644
--- a/apps/protocols/http/mode/jsoncontent.pm
+++ b/apps/protocols/http/mode/jsoncontent.pm
@@ -47,7 +47,7 @@ sub new {
             "urlpath:s"             => { name => 'url_path' },
             "credentials"           => { name => 'credentials' },
             "ntlm"                  => { name => 'ntlm' },
-	    "ntlmv2"		    => { name => 'ntlmv2' },
+            "ntlmv2"                => { name => 'ntlmv2' },
             "username:s"            => { name => 'username' },
             "password:s"            => { name => 'password' },
             "proxyurl:s"            => { name => 'proxyurl' },
diff --git a/apps/protocols/http/mode/response.pm b/apps/protocols/http/mode/response.pm
index b30bab8f9..4ca6a58b3 100644
--- a/apps/protocols/http/mode/response.pm
+++ b/apps/protocols/http/mode/response.pm
@@ -43,7 +43,7 @@ sub new {
          "urlpath:s"     => { name => 'url_path' },
          "credentials"   => { name => 'credentials' },
          "ntlm"          => { name => 'ntlm' },
-	 "ntlmv2"	 => { name => 'ntlmv2' },
+         "ntlmv2"        => { name => 'ntlmv2' },
          "username:s"    => { name => 'username' },
          "password:s"    => { name => 'password' },
          "proxyurl:s"    => { name => 'proxyurl' },
diff --git a/apps/protocols/http/mode/soapcontent.pm b/apps/protocols/http/mode/soapcontent.pm
index c75cd1cf8..53d085650 100644
--- a/apps/protocols/http/mode/soapcontent.pm
+++ b/apps/protocols/http/mode/soapcontent.pm
@@ -47,7 +47,7 @@ sub new {
             "urlpath:s"             => { name => 'url_path' },
             "credentials"           => { name => 'credentials' },
             "ntlm"                  => { name => 'ntlm' },
-	    "ntlmv2"		    => { name => 'ntlmv2' },
+            "ntlmv2"                => { name => 'ntlmv2' },
             "username:s"            => { name => 'username' },
             "password:s"            => { name => 'password' },
             "proxyurl:s"            => { name => 'proxyurl' },
diff --git a/centreon/plugins/http.pm b/centreon/plugins/http.pm
index 5c0d5934b..9a5762eeb 100644
--- a/centreon/plugins/http.pm
+++ b/centreon/plugins/http.pm
@@ -26,7 +26,6 @@ use LWP::UserAgent;
 use HTTP::Cookies;
 use URI;
 use IO::Socket::SSL;
-use Data::Dumper;
 
 sub new {
     my ($class, %options) = @_;
@@ -269,9 +268,10 @@ sub request {
     if (defined($request_options->{credentials}) && defined($request_options->{ntlm})) {
         $self->{ua}->credentials($request_options->{hostname} . ':' . $request_options->{port}, '', $request_options->{username}, $request_options->{password});
     } elsif (defined($request_options->{credentials}) && defined($request_options->{ntlmv2})) {
-	eval "use Authen::NTLM"; die $@ if $@;
-	ntlmv2(1);
-	$self->{ua}->credentials($request_options->{hostname} . ':' . $request_options->{port}, '', $request_options->{username}, $request_options->{password});
+        centreon::plugins::misc::mymodule_load(output => $self->{output}, module => 'Authen::NTLM',
+                                               error_msg => "Cannot load module 'Authen::NTLM'.");
+        Authen::NTLM::ntlmv2(1);
+        $self->{ua}->credentials($request_options->{hostname} . ':' . $request_options->{port}, '', $request_options->{username}, $request_options->{password});
     } elsif (defined($request_options->{credentials})) {
         $req->authorization_basic($request_options->{username}, $request_options->{password});
     }