diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index d1f4d2556..580aafa9d 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -460,7 +460,7 @@ vpd => {
      disable => "Set to 'yes' or '1' to comment out this row.",
  },
   },
-nim  => {
+nimimage  => {
  cols => [qw(imagename nimtype lpp_source spot root dump paging resolv_conf tmp home shared_home res_group comments disable)],
  keys => [qw(imagename)],
     table_desc => 'All the info that specifies a particular AIX operating system image that can be used to deploy AIX nodes.',
@@ -955,56 +955,56 @@ push(@{$defspec{node}->{'attrs'}}, @nodeattrs);
                  access_tabentry => 'osimage.imagename=attr:imagename',
                  },
  {attr_name => 'nimtype',
-                 tabentry => 'nim.nimtype',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.nimtype',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'osname',
                  tabentry => 'osimage.osname',
                  access_tabentry => 'osimage.imagename=attr:imagename',
                  },
  {attr_name => 'lpp_source',
-                 tabentry => 'nim.lpp_source',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.lpp_source',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'spot',
-                 tabentry => 'nim.spot',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.spot',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'root',
-                 tabentry => 'nim.root',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.root',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'dump',
-                 tabentry => 'nim.dump',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.dump',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'paging',
-                 tabentry => 'nim.paging',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.paging',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'resolv_conf',
-                 tabentry => 'nim.resolv_conf_name',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.resolv_conf',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'tmp',
-                 tabentry => 'nim.tmp',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.tmp',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'home',
-                 tabentry => 'nim.home',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.home',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'shared_home',
-                 tabentry => 'nim.shared_home',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.shared_home',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'res_group',
-                 tabentry => 'nim.res_group',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.res_group',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
  {attr_name => 'usercomment',
-                 tabentry => 'nim.comments',
-                 access_tabentry => 'nim.imagename=attr:imagename',
+                 tabentry => 'nimimage.comments',
+                 access_tabentry => 'nimimage.imagename=attr:imagename',
                  },
              );