diff --git a/install_roundcube.sh b/install_roundcube.sh
index 692db41..bbdf143 100755
--- a/install_roundcube.sh
+++ b/install_roundcube.sh
@@ -506,6 +506,15 @@ fi
 echo -e "\n\n\t\033[37m\033[1mInstall modules for PHP Version ${_version}..\033[m\n"
 if $PHP_DEBIAN_INSTALLATION ; then
 
+   echononl "\tUpdate protocols of channel \"pear.php.net\" .."
+   pear channel-update pear.php.net > $log_file 2>&1
+   if [[ "$?" = "0" ]]; then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat $log_file)"
+   fi
+
    for _module in $needed_php_pear_modules ; do
       echononl "\tInstall Module '$_module'.."
       if ! pear list | grep -q "$_module" 2> /dev/null ; then
@@ -534,7 +543,17 @@ if $PHP_DEBIAN_INSTALLATION ; then
 else
    for _version in $php_major_versions ; do
 
+      echononl "\tUpdate protocols of channel \"pear.php.net\" .."
+      pear channel-update pear.php.net > $log_file 2>&1
+      if [[ "$?" = "0" ]]; then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat $log_file)"
+      fi
+
       for _module in $needed_php_pear_modules ; do
+
          echononl "\tInstall Module '$_module'.."
          if ! /usr/local/php-${_version}/bin/pear list | grep -q "$_module" 2> /dev/null ; then
             /usr/local/php-${_version}/bin/pear install $_module > $log_file 2>&1