diff --git a/src/Linkifier.ts b/src/Linkifier.ts
index 4ec9018c..6ead8e09 100644
--- a/src/Linkifier.ts
+++ b/src/Linkifier.ts
@@ -16,7 +16,7 @@ const localHostClause = '(localhost)';
 const portClause = '(:\\d{1,5})';
 const hostClause = '((' + domainBodyClause + '\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';
 const pathClause = '(\\/[\\/\\w\\.-]*)*';
-const queryStringHashFragmentCharacterSet = '[\\w\\[\\]\\(\\)\\/\\?\\!#@$&\'*+,:;\\=]*';
+const queryStringHashFragmentCharacterSet = '[\\w\\[\\]\\(\\)\\/\\?\\!#@$&\'*+,:;\\=\\.\\-]*';
 const queryStringClause = '(\\?' + queryStringHashFragmentCharacterSet + ')?';
 const hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';
 const negatedPathCharacterSet = '[^\\/\\w\\.-]+';