diff --git a/src/main/java/com/google/gwtexpui/safehtml/client/SafeHtml.java b/src/main/java/com/google/gwtexpui/safehtml/client/SafeHtml.java
index 32d9a78..42d76cc 100644
--- a/src/main/java/com/google/gwtexpui/safehtml/client/SafeHtml.java
+++ b/src/main/java/com/google/gwtexpui/safehtml/client/SafeHtml.java
@@ -111,7 +111,7 @@
   /** Convert bare http:// and https:// URLs into &lt;a href&gt; tags. */
   public SafeHtml linkify() {
     final String part = "(?:" +
-		"[a-zA-Z0-9$_.+!*',%;:@=?#/-~]" +
+		"[a-zA-Z0-9$_.+!*',%;:@=?#/~-]" +
 		"|&(?!lt;|gt;)" +
 		")";
     return replaceAll(