diff --git a/db_details.php3 b/db_details.php3
index 782774688..348a743a3 100755
--- a/db_details.php3
+++ b/db_details.php3
@@ -129,10 +129,11 @@ else if (MYSQL_MAJOR_VERSION >= 3.23 && isset($tbl_cache)) {
     </td>
         <?php
         echo "\n";
+  $mergetable=false;
 	if (isset($sts_data['Type']) && $sts_data['Type']=="MRG_MyISAM") $mergetable=true;
         if (isset($sts_data['Rows'])) 
 	{
-	  if (!isset($mergetable)){ 
+	  if ($mergetable == false){ 
             $tblsize                        =  $sts_data['Data_length'] + $sts_data['Index_length'];
             $sum_size                       += $tblsize;
             $sum_entries                    += $sts_data['Rows'];
@@ -142,7 +143,7 @@ else if (MYSQL_MAJOR_VERSION >= 3.23 && isset($tbl_cache)) {
                 list($formated_size, $unit) =  format_byte_down($tblsize, 3, 0);
             }
           }
-          else if (isset($mergetable))  // MyISAM MERGE Table
+          else if ($mergetable == true)  // MyISAM MERGE Table
           {
             $formated_size="&nbsp;-&nbsp;";
             $unit="";
@@ -155,10 +156,10 @@ else if (MYSQL_MAJOR_VERSION >= 3.23 && isset($tbl_cache)) {
             ?>
     <td align="right">
          <?php 
-          if (isset($mergetable)) echo "<i>";
+          if ($mergetable == true) echo "<i>";
           echo number_format($sts_data['Rows'], 0, $number_decimal_separator,
 		 $number_thousands_separator) . "\n";
-          if (isset($mergetable)) echo "</i>";
+          if ($mergetable == true) echo "</i>";
         ?>
     </td>
     <td align="right" nowrap="nowrap">
diff --git a/tbl_properties.php3 b/tbl_properties.php3
index 4f62dcd8a..459b3e537 100755
--- a/tbl_properties.php3
+++ b/tbl_properties.php3
@@ -268,11 +268,12 @@ if ($index_count > 0) {
 // BEGIN - Calc Table Space - staybyte - 9 June 2001
 if (MYSQL_MAJOR_VERSION >= 3.23 && intval(MYSQL_MINOR_VERSION) > 3 && $tbl_type != "INNODB" && isset($showtable)) {
     // Gets some sizes
-    if (isset($showtable['Type']) && $showtable['Type']=="MRG_MyISAM")
-	$mergetable=true;
+    $mergetable=false;
+    if (isset($showtable['Type']) && $showtable['Type']=="MRG_MyISAM") $mergetable=true;
     list($data_size, $data_unit)     = format_byte_down($showtable['Data_length']);
-   if (!isset($mergetable))
-	 list($index_size, $index_unit)   = format_byte_down($showtable['Index_length']);
+
+    if ($mergetable==false) list($index_size, $index_unit)   = format_byte_down($showtable['Index_length']);
+
     if (isset($showtable['Data_free']) && $showtable['Data_free'] > 0) {
         list($free_size, $free_unit) = format_byte_down($showtable['Data_free']);
     }
@@ -328,6 +329,7 @@ if (MYSQL_MAJOR_VERSION >= 3.23 && intval(MYSQL_MINOR_VERSION) > 3 && $tbl_type
         <?php
     }
     echo "\n";
+    if (isset($tot_size) && $mergetable == false) {
     ?>
         <tr bgcolor="<?php echo $cfgBgcolorOne; ?>">
         <td style="padding-right: 10px"><?php echo ucfirst($strTotal); ?></td>
@@ -335,6 +337,8 @@ if (MYSQL_MAJOR_VERSION >= 3.23 && intval(MYSQL_MINOR_VERSION) > 3 && $tbl_type
             <td><?php echo $tot_unit; ?></td>
         </tr>
     <?php
+    }
+
     // Optimize link if overhead
     if (isset($free_size) && ($tbl_type == 'MYISAM' || $tbl_type == 'BDB')) {
         echo "\n";
@@ -412,8 +416,7 @@ if (MYSQL_MAJOR_VERSION >= 3.23 && intval(MYSQL_MINOR_VERSION) > 3 && $tbl_type
         </tr>
         <?php
     }
-    if (isset($showtable['Data_length']) && $showtable['Rows'] > 0
-	&& !isset($mergetable)) {
+    if (isset($showtable['Data_length']) && $showtable['Rows'] > 0 && $mergetable==false) {
         echo (++$i%2)
              ? '    <tr bgcolor="' . $cfgBgcolorTwo . '">'
              : '    <tr bgcolor="' . $cfgBgcolorOne . '">';