diff --git a/src/ORM/Association.php b/src/ORM/Association.php
index 65608e8000e..a1edac572d2 100644
--- a/src/ORM/Association.php
+++ b/src/ORM/Association.php
@@ -445,9 +445,11 @@ public function attachTo(Query $query, array $options = []) {
  * source results.
  *
  * @param array $row
+ * @param boolean $joined Whether or not the row is a result of a direct join
+ * with this association
  * @return array
  */
-	public function transformRow($row) {
+	public function transformRow($row, $joined) {
 		$sourceAlias = $this->source()->alias();
 		$targetAlias = $this->target()->alias();
 		if (isset($row[$sourceAlias])) {
diff --git a/src/ORM/Association/BelongsToMany.php b/src/ORM/Association/BelongsToMany.php
index 793b4557cd4..8fac40d3454 100644
--- a/src/ORM/Association/BelongsToMany.php
+++ b/src/ORM/Association/BelongsToMany.php
@@ -247,15 +247,17 @@ public function attachTo(Query $query, array $options = []) {
  * source results.
  *
  * @param array $row
+ * @param boolean $joined Whether or not the row is a result of a direct join
+ * with this association
  * @return array
  */
-	public function transformRow($row, $joined = false) {
+	public function transformRow($row, $joined) {
 		$alias = $this->junction()->alias();
 		if ($joined) {
 			$row[$this->target()->alias()][$this->_junctionProperty] = $row[$alias];
 			unset($row[$alias]);
 		}
-		$row = $this->_transformRow($row);
+		$row = $this->_transformRow($row, $joined);
 		return $row;
 	}
 
diff --git a/src/ORM/Association/ExternalAssociationTrait.php b/src/ORM/Association/ExternalAssociationTrait.php
index 0222e432951..68fba6bd7e4 100644
--- a/src/ORM/Association/ExternalAssociationTrait.php
+++ b/src/ORM/Association/ExternalAssociationTrait.php
@@ -91,9 +91,11 @@ public function requiresKeys($options = []) {
  * source results.
  *
  * @param array $row
+ * @param boolean $joined Whether or not the row is a result of a direct join
+ * with this association
  * @return array
  */
-	public function transformRow($row) {
+	public function transformRow($row, $joined) {
 		$sourceAlias = $this->source()->alias();
 		$targetAlias = $this->target()->alias();