diff --git a/xCAT-server/lib/xcat/plugins/aixinstall.pm b/xCAT-server/lib/xcat/plugins/aixinstall.pm
index 236c70c1a..ec4cffb5e 100644
--- a/xCAT-server/lib/xcat/plugins/aixinstall.pm
+++ b/xCAT-server/lib/xcat/plugins/aixinstall.pm
@@ -20,6 +20,7 @@ use File::Basename;
 use xCAT::NodeRange;
 use xCAT::Schema;
 use xCAT::Utils;
+use xCAT::NetworkUtils;
 use xCAT::InstUtils;
 use xCAT::DBobjUtils;
 use XML::Simple;
@@ -5105,7 +5106,7 @@ sub prenimnodeset
     #  - if not then exit
     foreach my $n (@nodelist)
     {
-        my $packed_ip = gethostbyname($n);
+        my $packed_ip = xCAT::NetworkUtils->getipaddr($n);
         if (!$packed_ip)
         {
             my $rsp;