diff --git a/mysqltuner.pl b/mysqltuner.pl
index 20e39c8..939dce7 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -701,7 +701,7 @@ sub calculations {
 	# Temporary tables
 	if ($mystat{'Created_tmp_tables'} > 0) {
 		if ($mystat{'Created_tmp_disk_tables'} > 0) {
-			$mycalc{'pct_temp_disk'} = int(($mystat{'Created_tmp_disk_tables'} / ($mystat{'Created_tmp_tables'} + $mystat{'Created_tmp_disk_tables'})) * 100);
+			$mycalc{'pct_temp_disk'} = int(($mystat{'Created_tmp_disk_tables'} / $mystat{'Created_tmp_tables'}) * 100);
 		} else {
 			$mycalc{'pct_temp_disk'} = 0;
 		}
@@ -906,17 +906,17 @@ sub mysql_stats {
 	# Temporary tables
 	if ($mystat{'Created_tmp_tables'} > 0) {
 		if ($mycalc{'pct_temp_disk'} > 25 && $mycalc{'max_tmp_table_size'} < 256*1024*1024) {
-			badprint "Temporary tables created on disk: $mycalc{'pct_temp_disk'}% (".hr_num($mystat{'Created_tmp_disk_tables'})." on disk / ".hr_num($mystat{'Created_tmp_disk_tables'} + $mystat{'Created_tmp_tables'})." total)\n";
+			badprint "Temporary tables created on disk: $mycalc{'pct_temp_disk'}% (".hr_num($mystat{'Created_tmp_disk_tables'})." on disk / ".hr_num($mystat{'Created_tmp_tables'})." total)\n";
 			push(@adjvars,"tmp_table_size (> ".hr_bytes_rnd($myvar{'tmp_table_size'}).")");
 			push(@adjvars,"max_heap_table_size (> ".hr_bytes_rnd($myvar{'max_heap_table_size'}).")");
 			push(@generalrec,"When making adjustments, make tmp_table_size/max_heap_table_size equal");
 			push(@generalrec,"Reduce your SELECT DISTINCT queries without LIMIT clauses");
 		} elsif ($mycalc{'pct_temp_disk'} > 25 && $mycalc{'max_tmp_table_size'} >= 256) {
-			badprint "Temporary tables created on disk: $mycalc{'pct_temp_disk'}% (".hr_num($mystat{'Created_tmp_disk_tables'})." on disk / ".hr_num($mystat{'Created_tmp_disk_tables'} + $mystat{'Created_tmp_tables'})." total)\n";
+			badprint "Temporary tables created on disk: $mycalc{'pct_temp_disk'}% (".hr_num($mystat{'Created_tmp_disk_tables'})." on disk / ".hr_num($mystat{'Created_tmp_tables'})." total)\n";
 			push(@generalrec,"Temporary table size is already large - reduce result set size");
 			push(@generalrec,"Reduce your SELECT DISTINCT queries without LIMIT clauses");
 		} else {
-			goodprint "Temporary tables created on disk: $mycalc{'pct_temp_disk'}% (".hr_num($mystat{'Created_tmp_disk_tables'})." on disk / ".hr_num($mystat{'Created_tmp_disk_tables'} + $mystat{'Created_tmp_tables'})." total)\n";
+			goodprint "Temporary tables created on disk: $mycalc{'pct_temp_disk'}% (".hr_num($mystat{'Created_tmp_disk_tables'})." on disk / ".hr_num($mystat{'Created_tmp_tables'})." total)\n";
 		}
 	} else {
 		# For the sake of space, we will be quiet here