diff --git a/setup/wizardsteps.class.inc.php b/setup/wizardsteps.class.inc.php
index c323bfd9d3..697b1c6f65 100644
--- a/setup/wizardsteps.class.inc.php
+++ b/setup/wizardsteps.class.inc.php
@@ -726,7 +726,7 @@ EOF
 			$oPage->add('<li><b>'.$oLicense->product.'</b>, &copy; '.$oLicense->author.' is licensed under the <b>'.$oLicense->license_type.' license</b>. (<span class="toggle" id="toggle_'.$index.'">Details</span>)');
 			$oPage->add('<div id="license_'.$index.'" class="license_text" style="display:none;overflow:auto;max-height:10em;font-size:small;border:1px #696969 solid;margin-bottom:1em; margin-top:0.5em;padding:0.5em;">'.$oLicense->text.'</div>');
 			$oPage->add_ready_script('$(".license_text a").attr("target", "_blank").addClass("no-arrow");');
-			$oPage->add_ready_script('$("#toggle_'.$index.'").on('click', function() { $("#license_'.$index.'").toggle(); } );');
+			$oPage->add_ready_script('$("#toggle_'.$index.'").on("click", function() { $("#license_'.$index.'").toggle(); } );');
             $index++;
 		}
 		$oPage->add('</ul>');