diff --git a/lib/persistence.store.sql.js b/lib/persistence.store.sql.js
index 07b681f..bdb7a2e 100644
--- a/lib/persistence.store.sql.js
+++ b/lib/persistence.store.sql.js
@@ -648,8 +648,10 @@ function config(persistence, dialect) {
 
     joinSql += this._additionalJoinSqls.join(' ');
 
-    for ( var i = 0; i < this._prefetchFields.length; i++) {
-      var prefetchField = this._prefetchFields[i];
+    this._prefetchFields.forEach(function(prefetchField) {
+      if(!(prefetchField in meta.hasOne)) {
+        throw(new ReferenceError( "'" + meta.name + "' does not 'hasOne' field called '" + prefetchField + "'."));
+      }
       var thisMeta = meta.hasOne[prefetchField].type.meta;
       if (thisMeta.isMixin)
         throw new Error("cannot prefetch a mixin");
@@ -659,7 +661,7 @@ function config(persistence, dialect) {
       joinSql += "LEFT JOIN `" + thisMeta.name + "` AS `" + tableAlias
       + "` ON `" + tableAlias + "`.`id` = `" + mainAlias + '`.`' + prefetchField + "` ";
 
-    }
+    });
 
     var whereSql = "WHERE "
     + [ this._filter.sql(meta, mainAlias, args) ].concat(additionalWhereSqls).join(' AND ');