diff --git a/core/modules/parsers/wikiparser/rules/syslink.js b/core/modules/parsers/wikiparser/rules/syslink.js
index 4c559262b..441fe2aa5 100644
--- a/core/modules/parsers/wikiparser/rules/syslink.js
+++ b/core/modules/parsers/wikiparser/rules/syslink.js
@@ -18,7 +18,7 @@ exports.types = {inline: true};
 exports.init = function(parser) {
 	this.parser = parser;
 	// Regexp to match
-	this.matchRegExp = /~?\$:\/[a-zA-Z0-9/.-_]+/mg;
+	this.matchRegExp = /~?\$:\/[a-zA-Z0-9/.\-_]+/mg;
 };
 
 exports.parse = function() {