diff --git a/xCAT-server/lib/xcat/plugins/tabutils.pm b/xCAT-server/lib/xcat/plugins/tabutils.pm
index f90104970..3d5496baa 100644
--- a/xCAT-server/lib/xcat/plugins/tabutils.pm
+++ b/xCAT-server/lib/xcat/plugins/tabutils.pm
@@ -957,7 +957,7 @@ sub tabprune
         push @{$rsp{data}}, "       tabprune <tablename> [-V] -d <# of days>";
         push @{$rsp{data}}, "       tabprune [-h|--help]";
         push @{$rsp{data}}, "       tabprune [-v|--version]";
-        push @{$rsp{data}}, "       tables supported:eventlog,auditlog";
+        push @{$rsp{data}}, "       tables supported:eventlog,auditlog,unless -a which supports all tables";
         push @{$rsp{data}}, "       -d option only supported for eventlog,auditlog";
         if ($exitcode) { $rsp{errorcode} = $exitcode; }
         $cb->(\%rsp);
@@ -997,7 +997,7 @@ sub tabprune
       
     }
     $table=~ s/\s*//g; # remove blanks 
-    if (($table ne "eventlog") && ($table ne "auditlog") && ($table ne "isnm_perf") && ($table ne "isnm_perf_sum") ) {
+    if (($table ne "eventlog") && ($table ne "auditlog") && ($table ne "isnm_perf") && ($table ne "isnm_perf_sum") && (! $ALL)) {
         my %rsp;
         $rsp{data}->[0] = "Table $table not supported, see tabprune -h for supported tables.";
         $rsp{errorcode} = 1;