diff --git a/ChangeLog b/ChangeLog
index 5d8d090ab5..02bd94a49e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -145,6 +145,7 @@ phpMyAdmin - ChangeLog
 - issue #15287 Fix auto_increment field is too small
 - issue #15283 Fix tries to change collation on views when changing collation on all tables/fields
 - issue        Fixed empty PMA_gotoWhitelist JavaScript array
+- issue #15079 Fixed responsive behaviour of instruction dialog box
 
 4.8.5 (2019-01-25)
 - issue        Developer debug data was saved to the PHP error log
diff --git a/js/server_status_advisor.js b/js/server_status_advisor.js
index d86aa722e8..f4867b1591 100644
--- a/js/server_status_advisor.js
+++ b/js/server_status_advisor.js
@@ -34,7 +34,7 @@ AJAX.registerOnload('server_status_advisor.js', function () {
         };
         $instructionsDialog.dialog({
             title: Messages.strAdvisorSystem,
-            width: 700,
+            width: '60%',
             buttons: dlgBtns
         });
     });
diff --git a/js/server_status_monitor.js b/js/server_status_monitor.js
index 6ba034425f..a45458bd34 100644
--- a/js/server_status_monitor.js
+++ b/js/server_status_monitor.js
@@ -705,7 +705,7 @@ AJAX.registerOnload('server_status_monitor.js', function () {
             $(this).dialog('close');
         };
         $dialog.dialog({
-            width: 595,
+            width: '60%',
             height: 'auto',
             buttons: dlgBtns
         }).find('img.ajaxIcon').show();