diff --git a/modules/ext.cite.styles.css b/modules/ext.cite.styles.css
index 8f6e25765..25c565b1b 100644
--- a/modules/ext.cite.styles.css
+++ b/modules/ext.cite.styles.css
@@ -36,7 +36,7 @@ ol.references > li {
 
 .mw-extended-references > li:before {
 	counter-increment: mw-ref-extends-child;
-	content: counter( mw-ref-extends-parent, decimal ) '.' counter( mw-ref-extends-child, decimal ) ' ';
+	content: counter( mw-ref-extends-parent, decimal ) '.' counter( mw-ref-extends-child, decimal ) '. ';
 }
 
 sup.reference {