diff --git a/mod/install.php b/mod/install.php
index f36c91ef2a..1e0d7a5fa5 100755
--- a/mod/install.php
+++ b/mod/install.php
@@ -418,6 +418,7 @@ function check_funcs(&$checks) {
 	check_add($ck_funcs, t('mb_string PHP module'), true, true, "");
 	check_add($ck_funcs, t('mcrypt PHP module'), true, true, "");
 	check_add($ck_funcs, t('XML PHP module'), true, true, "");
+	check_add($ck_funcs, t('iconv module'), true, true, "");
 
 	if(function_exists('apache_get_modules')){
 		if (! in_array('mod_rewrite',apache_get_modules())) {
@@ -451,6 +452,10 @@ function check_funcs(&$checks) {
 		$ck_funcs[5]['status']= false;
 		$ck_funcs[5]['help']= t('Error: mcrypt PHP module required but not installed.');
 	}
+	if(! function_exists('iconv_strlen')){
+		$ck_funcs[7]['status']= false;
+		$ck_funcs[7]['help']= t('Error: iconv PHP module required but not installed.');
+	}
 
 	$checks = array_merge($checks, $ck_funcs);