Index: calendar-impl/impl/src/java/org/sakaiproject/calendar/impl/BaseCalendarService.java
===================================================================
--- calendar-impl/impl/src/java/org/sakaiproject/calendar/impl/BaseCalendarService.java	(revision 122907)
+++ calendar-impl/impl/src/java/org/sakaiproject/calendar/impl/BaseCalendarService.java	(working copy)
@@ -295,7 +295,7 @@
 		return getAccessPoint(true) + Entity.SEPARATOR + REF_TYPE_CALENDAR_PDF + Entity.SEPARATOR + context + Entity.SEPARATOR + id
 				+ "?" + SCHEDULE_TYPE_PARAMETER_NAME + "=" + Validator.escapeHtml(Integer.valueOf(scheduleType).toString()) + "&"
 				+ TIME_RANGE_PARAMETER_NAME + "=" + timeRangeString + "&"
-				+ Validator.escapeHtml(USER_NAME_PARAMETER_NAME) + "=" + Validator.escapeHtml(userName) + "&"
+				+ Validator.escapeHtml(USER_NAME_PARAMETER_NAME) + "=" + Validator.escapeUrl(userName) + "&"
 				+ DAILY_START_TIME_PARAMETER_NAME + "=" + Validator.escapeHtml(dailyTimeRange.toString());
 	}