diff --git a/mysqltuner.pl b/mysqltuner.pl
index 642a679..c010973 100644
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -147,8 +147,9 @@ sub mysql_setup {
     }
 }
 
-my (%mystat,%myvar);
+my (%mystat,%myvar,$dummyselect);
 sub get_all_vars {
+    $dummyselect = `mysql $mysqllogin -Bse "SELECT VERSION();"`;
     my @mysqlvarlist = `mysql $mysqllogin -Bse "SHOW /*!50000 GLOBAL */ VARIABLES;"`;
     foreach my $line (@mysqlvarlist) {
         $line =~ /([a-zA-Z_]*)\s*(.*)/;
@@ -285,9 +286,9 @@ sub calculations {
     if ($mysqlvermajor > 3) {
         $mycalc{'query_cache_efficiency'} = sprintf("%.1f",($mystat{'Qcache_hits'} / ($mystat{'Com_select'} + $mystat{'Qcache_hits'})) * 100);
         if ($myvar{'query_cache_size'}) {
-		$mycalc{'pct_query_cache_used'} = sprintf("%.1f",100 - ($mystat{'Qcache_free_memory'} / $myvar{'query_cache_size'}) * 100);
+            $mycalc{'pct_query_cache_used'} = sprintf("%.1f",100 - ($mystat{'Qcache_free_memory'} / $myvar{'query_cache_size'}) * 100);
         }
-	if ($mystat{'Qcache_lowmem_prunes'} == 0) {
+    if ($mystat{'Qcache_lowmem_prunes'} == 0) {
             $mycalc{'query_cache_prunes_per_day'} = 0;
         } else {
             $mycalc{'query_cache_prunes_per_day'} = int($mystat{'Qcache_lowmem_prunes'} / ($mystat{'Uptime'}/86400));