Index: impl/src/java/org/sakaiproject/delegatedaccess/dao/impl/DelegatedAccessDaoImpl.java
===================================================================
--- impl/src/java/org/sakaiproject/delegatedaccess/dao/impl/DelegatedAccessDaoImpl.java	(revision 9099)
+++ impl/src/java/org/sakaiproject/delegatedaccess/dao/impl/DelegatedAccessDaoImpl.java	(working copy)
@@ -127,7 +127,7 @@
 				String query = getStatement("select.hierarchyNode");
 				String inParams = "(";
 				for(int i = 0; i < subSiteRefs.length; i++){
-					inParams += "'" + subSiteRefs[i] + "'";
+					inParams += "'" + subSiteRefs[i].replace("'", "''") + "'"; //escape apostrophe
 					if(i < subSiteRefs.length - 1){
 						inParams += ",";
 					}