diff --git a/phpBB/admin/admin_styles.php b/phpBB/admin/admin_styles.php
index bad9f631fa..3f672ff970 100644
--- a/phpBB/admin/admin_styles.php
+++ b/phpBB/admin/admin_styles.php
@@ -669,6 +669,11 @@ switch($mode)
 		
 		if(!$confirm)
 		{
+			if($style_id == $board_config['default_style'])
+			{
+				message_die(GENERAL_MESSAGE, $lang['Cannot_remove_style'], $lang['Error']);
+			}
+			
 			$hidden_fields = '<input type="hidden" name="mode" value="'.$mode.'" /><input type="hidden" name="style_id" value="'.$style_id.'" />';
 			
 			//
diff --git a/phpBB/language/lang_english/lang_main.php b/phpBB/language/lang_english/lang_main.php
index 02b2804fc3..f3ecc12240 100644
--- a/phpBB/language/lang_english/lang_main.php
+++ b/phpBB/language/lang_english/lang_main.php
@@ -1196,6 +1196,7 @@ $lang['span_class2'] = "Span Class 2";
 $lang['span_class3'] = "Span Class 3";
 $lang['Theme_updated'] = "The selected theme has been updated. Don't forget to export the new theme settings to the theme configuration file!";
 $lang['Theme_created'] = "Theme created! Don't forget to export the new theme settings to the theme configuration file!";
+$lang['Cannot_remove_style'] = "The style you have selected is the current forum wide default style. Therefor, you cannot remove it. Please change the default style and try again.";
 
 
 //