diff --git a/setup/compiler.class.inc.php b/setup/compiler.class.inc.php
index 76310d49b..c2bc78ec1 100644
--- a/setup/compiler.class.inc.php
+++ b/setup/compiler.class.inc.php
@@ -187,19 +187,6 @@ class MFCompiler
 		return $this->aLog;
 	}
 
-	/**
-	 * @return bool if flag is present true, false otherwise
-	 *
-	 * @uses \file_exists()
-	 * @uses USE_SYMBOLIC_LINKS_FILE_PATH
-	 *
-	 * @since 3.0.0 N°4092
-	 */
-	public static function IsUseSymbolicLinksFlagPresent(): bool
-	{
-		return (file_exists(static::USE_SYMBOLIC_LINKS_FILE_PATH));
-	}
-
 	/**
 	 * This is to check if the functionality can be used. As this is really only useful for developers,
 	 * this is strictly limited and not available on any iTop instance !
@@ -214,17 +201,22 @@ class MFCompiler
 	 *
 	 * @since 3.0.0 N°4092
 	 */
-	public static function CanUseSymbolicLinksFlagBeUsed(): bool
+	public static function CanUseSymbolicLinks(): bool
 	{
-		if (false === utils::IsDevelopmentEnvironment()) {
-			return false;
-		}
+		return utils::IsDevelopmentEnvironment();
+	}
 
-		if (false === function_exists('symlink')) {
-			return false;
-		}
-
-		return true;
+	/**
+	 * @return bool if flag is present true, false otherwise
+	 *
+	 * @uses \file_exists()
+	 * @uses USE_SYMBOLIC_LINKS_FILE_PATH
+	 *
+	 * @since 3.0.0 N°4092
+	 */
+	public static function UseSymbolicLinks(): bool
+	{
+		return (file_exists(static::USE_SYMBOLIC_LINKS_FILE_PATH));
 	}
 
 	/**
@@ -236,7 +228,7 @@ class MFCompiler
 	 */
 	public static function SetUseSymbolicLinksFlag(bool $bUseSymbolicLinks): void
 	{
-		$bIsUseSymlinksFlagPresent = (static::IsUseSymbolicLinksFlagPresent());
+		$bIsUseSymlinksFlagPresent = self::UseSymbolicLinks();
 
 		if ($bUseSymbolicLinks) {
 			if ($bIsUseSymlinksFlagPresent) {
@@ -283,7 +275,7 @@ class MFCompiler
 	{
 		if (is_null($bUseSymbolicLinks)) {
 			$bUseSymbolicLinks = false;
-			if (self::CanUseSymbolicLinksFlagBeUsed() && self::IsUseSymbolicLinksFlagPresent()) {
+			if (self::CanUseSymbolicLinks() && self::UseSymbolicLinks()) {
 				// We are only overriding the useSymLinks option if the consumer didn't specify anything
 				// The toolkit always send this parameter for example, but not the Designer Connector
 				$bUseSymbolicLinks = true;
diff --git a/setup/wizardsteps/AbstractWizStepInstall.php b/setup/wizardsteps/AbstractWizStepInstall.php
index 31ec559c9..92bbbbe05 100644
--- a/setup/wizardsteps/AbstractWizStepInstall.php
+++ b/setup/wizardsteps/AbstractWizStepInstall.php
@@ -98,6 +98,7 @@ abstract class AbstractWizStepInstall extends WizardStep
 			'old_addon' => $this->oWizard->GetParameter('old_addon', false), // whether or not to use the "old" userrights profile addon
 			'options' => json_decode($this->oWizard->GetParameter('misc_options', '[]'), true),
 			'mysql_bindir' => $this->oWizard->GetParameter('mysql_bindir'),
+			'use-symbolic-links' => $this->oWizard->GetParameter('use-symbolic-links', MFCompiler::UseSymbolicLinks()),
 		];
 
 		if ($sBackupDestination != '') {
diff --git a/setup/wizardsteps/AbstractWizStepMiscParams.php b/setup/wizardsteps/AbstractWizStepMiscParams.php
index e50181eb3..f62263ab2 100644
--- a/setup/wizardsteps/AbstractWizStepMiscParams.php
+++ b/setup/wizardsteps/AbstractWizStepMiscParams.php
@@ -17,6 +17,7 @@
  *
  * You should have received a copy of the GNU Affero General Public License
  */
+
 use Combodo\iTop\Application\WebPage\WebPage;
 
 /**
@@ -29,24 +30,13 @@ abstract class AbstractWizStepMiscParams extends WizardStep
 	 */
 	final protected function AddUseSymlinksFlagOption(WebPage $oPage): void
 	{
-		if (MFCompiler::CanUseSymbolicLinksFlagBeUsed()) {
-			$sChecked = (MFCompiler::IsUseSymbolicLinksFlagPresent()) ? ' checked' : '';
+		if (MFCompiler::CanUseSymbolicLinks()) {
+			$sChecked = $this->oWizard->GetParameter('use-symbolic-links', MFCompiler::UseSymbolicLinks()) ? ' checked ' : '';
 
 			$oPage->add('<fieldset>');
 			$oPage->add('<legend>Dev parameters</legend>');
-			$oPage->p('<input id="use-symbolic-links" type="checkbox"'.$sChecked.'><label for="use-symbolic-links">&nbsp;Create symbolic links instead of creating a copy in env-production (useful for debugging extensions)');
+			$oPage->p('<input id="use-symbolic-links" name="use-symbolic-links" type="checkbox"'.$sChecked.'><label for="use-symbolic-links">&nbsp;Create symbolic links instead of creating a copy in env-production (useful for debugging extensions)');
 			$oPage->add('</fieldset>');
-			$oPage->add_ready_script(
-				<<<'JS'
-$("#use-symbolic-links").on("click", function() {
-	var $this = $(this),
-		bUseSymbolicLinks = $this.prop("checked");
-	var sAuthent = $('#authent_token').val();
-	var oAjaxParams = { operation: 'toggle_use_symbolic_links', bUseSymbolicLinks: bUseSymbolicLinks, authent: sAuthent};
-	$.post(GetAbsoluteUrlAppRoot()+'setup/ajax.dataloader.php', oAjaxParams);
-});
-JS
-			);
 		}
 	}
 
diff --git a/setup/wizardsteps/WizStepUpgradeMiscParams.php b/setup/wizardsteps/WizStepUpgradeMiscParams.php
index c14d51fb7..e88222e18 100644
--- a/setup/wizardsteps/WizStepUpgradeMiscParams.php
+++ b/setup/wizardsteps/WizStepUpgradeMiscParams.php
@@ -17,6 +17,7 @@
  *
  * You should have received a copy of the GNU Affero General Public License
  */
+
 use Combodo\iTop\Application\WebPage\WebPage;
 
 /**
@@ -38,6 +39,7 @@ class WizStepUpgradeMiscParams extends AbstractWizStepMiscParams
 	{
 		$this->oWizard->SaveParameter('application_url', '');
 		$this->oWizard->SaveParameter('graphviz_path', '');
+		$this->oWizard->SaveParameter('use-symbolic-links', MFCompiler::UseSymbolicLinks());
 		$this->oWizard->SaveParameter('force-uninstall', false);
 		return new WizardState(WizStepModulesChoice::class, 'start_upgrade');
 	}