diff --git a/resources/mode/mediawiki/mediawiki.js b/resources/mode/mediawiki/mediawiki.js
index be050ccb..257c9021 100644
--- a/resources/mode/mediawiki/mediawiki.js
+++ b/resources/mode/mediawiki/mediawiki.js
@@ -467,7 +467,7 @@
 				var origString = false,
 					from = stream.pos,
 					to,
-					pattern = new RegExp( '</' + name + '\\s*>' ),
+					pattern = new RegExp( '</' + name + '\\s*>', 'i' ),
 					m = pattern.exec( from ? stream.string.slice( from ) : stream.string );
 
 				if ( m ) {
diff --git a/resources/mode/mediawiki/tests/qunit/CodeMirror.mediawiki.test.js b/resources/mode/mediawiki/tests/qunit/CodeMirror.mediawiki.test.js
index 2f02c75a..5e23e3f6 100644
--- a/resources/mode/mediawiki/tests/qunit/CodeMirror.mediawiki.test.js
+++ b/resources/mode/mediawiki/tests/qunit/CodeMirror.mediawiki.test.js
@@ -85,6 +85,13 @@
 				title: 'signatures',
 				input: 'my sig ~~~ ~~~~ ~~~~~~~',
 				output: '<pre class=" CodeMirror-line " role="presentation"><span role="presentation">my sig <span class="cm-mw-signature">~~~</span> <span class="cm-mw-signature">~~~~</span> <span class="cm-mw-signature">~~~~~</span>~~</span></pre>'
+			},
+			{
+				title: 'new',
+				input: '<ref></Ref>',
+				output: mw.loader.getState( 'ext.cite.styles' ) ?
+					'<pre class=" CodeMirror-line " role="presentation"><span role="presentation"><span class="cm-mw-exttag-bracket cm-mw-ext-ref">&lt;</span><span class="cm-mw-exttag-name cm-mw-ext-ref">ref</span><span class="cm-mw-exttag-bracket cm-mw-ext-ref">&gt;&lt;/</span><span class="cm-mw-exttag-name cm-mw-ext-Ref">Ref</span><span class="cm-mw-exttag-bracket cm-mw-ext-Ref">&gt;</span></span></pre>' :
+					'<pre class=" CodeMirror-line " role="presentation"><span role="presentation">&lt;ref&gt;&lt;/Ref&gt;</span></pre>'
 			}
 		];