diff --git a/lib/database/lookup.inc b/lib/database/lookup.inc
index 6c7cc34..b9c57aa 100644
--- a/lib/database/lookup.inc
+++ b/lib/database/lookup.inc
@@ -53,7 +53,7 @@ function lookupGroupIDs($userID) {
 function lookupField($tableName, $selectFieldName, $whereFieldName, $whereFieldValue) {
     global $default;
     $sql = new Owl_DB();
-    $query = "select $selectFieldName from $tableName where $whereFieldName = $whereFieldValue";
+    $query = "select $selectFieldName from $tableName where $whereFieldName = '". $whereFieldValue . "'" ;
     $default->log->debug("lookup.inc::lookupField query=$query"); 
     if ($sql->query($query)) {
         if ($sql->next_record()) {