diff --git a/ChangeLog b/ChangeLog
index f000a6fa5..390a6ac75 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -11,6 +11,7 @@ $HeadURL: https://phpmyadmin.svn.sourceforge.net/svnroot/phpmyadmin/trunk/phpMyA
 - patch #1821154, HTTP authentication: fix auth working with php/mod_fastcgi,
   thanks to yarodin
 - wrong default charset in case of broken session
+- bug #1824506 [profiling] Profile command repeated on older MySQL servers
 
 2.11.2.0 (2007-10-27)
 - patch #1791576 HTTP auth: support REDIRECT_REMOTE_USER, thanks to Allard
diff --git a/libraries/common.inc.php b/libraries/common.inc.php
index 2264abeb0..2ca0e15d2 100644
--- a/libraries/common.inc.php
+++ b/libraries/common.inc.php
@@ -886,11 +886,11 @@ if (! defined('PMA_MINIMUM_COMMON')) {
      * (note: when $cfg['ServerDefault'] = 0, constant is not defined)
      */
 
-    if (defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION >= 50037 && isset($_REQUEST['profiling'])) {
-       $_SESSION['profiling'] = true;
+    if (PMA_profilingSupported() && isset($_REQUEST['profiling'])) {
+        $_SESSION['profiling'] = true;
     } elseif (isset($_REQUEST['profiling_form'])) {
-       // the checkbox was unchecked
-            unset($_SESSION['profiling']);
+        // the checkbox was unchecked
+        unset($_SESSION['profiling']);
     }
 
 } // end if !defined('PMA_MINIMUM_COMMON')
diff --git a/libraries/common.lib.php b/libraries/common.lib.php
index b80b02416..d33b504ef 100644
--- a/libraries/common.lib.php
+++ b/libraries/common.lib.php
@@ -1208,6 +1208,25 @@ function PMA_showMessage($message, $sql_query = null)
 } // end of the 'PMA_showMessage()' function
 
 
+/**
+ * Verifies if current MySQL server supports profiling 
+ *
+ * @access  public
+ * @return  boolean whether profiling is supported 
+ *
+ * @author   Marc Delisle 
+ */
+function PMA_profilingSupported() {
+    // 5.0.37 has profiling but for example, 5.1.20 does not
+    // (avoid a trip to the server for MySQL before 5.0.37)
+    // and do not set a constant as we might be switching servers
+    if (PMA_MYSQL_INT_VERSION >= 50037 && PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'profiling'")) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
 /**
  * Displays a form with the Profiling checkbox 
  *
@@ -1217,9 +1236,7 @@ function PMA_showMessage($message, $sql_query = null)
  * @author   Marc Delisle 
  */
 function PMA_profilingCheckbox($sql_query) {
-    // 5.0.37 has profiling but for example, 5.1.20 does not
-    // (avoid doing a fetch_value for MySQL before 5.0.37)
-    if (PMA_MYSQL_INT_VERSION >= 50037 && PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'profiling'")) {
+    if (PMA_profilingSupported()) {
         echo '<form action="sql.php" method="post">' . "\n";
         echo PMA_generate_common_hidden_inputs($GLOBALS['db'], $GLOBALS['table']);
         echo '<input type="hidden" name="sql_query" value="' . $sql_query . '" />' . "\n";
diff --git a/sql.php b/sql.php
index 2ef6c850f..64fe90384 100644
--- a/sql.php
+++ b/sql.php
@@ -309,7 +309,7 @@ if (isset($GLOBALS['show_as_php']) || !empty($GLOBALS['validatequery'])) {
     unset($result);
     $num_rows = 0;
 } else {
-    if (isset($_SESSION['profiling'])) {
+    if (isset($_SESSION['profiling']) && PMA_profilingSupported()) {
         PMA_DBI_query('SET PROFILING=1;');
     }
         
@@ -344,7 +344,7 @@ if (isset($GLOBALS['show_as_php']) || !empty($GLOBALS['validatequery'])) {
     }
 
     // Grabs the profiling results
-    if (isset($_SESSION['profiling'])) {
+    if (isset($_SESSION['profiling']) && PMA_profilingSupported() ) {
         $profiling_results = PMA_DBI_fetch_result('SHOW PROFILE;');
     }