diff --git a/app/Http/Livewire/Traits/WithSort.php b/app/Http/Livewire/Traits/WithSort.php
index f795fec..2303ed7 100644
--- a/app/Http/Livewire/Traits/WithSort.php
+++ b/app/Http/Livewire/Traits/WithSort.php
@@ -47,7 +47,23 @@ trait WithSort {
 		}
 
 		foreach($columns as $column) {
-			$query->orderBy($this->orderExpr($column), $this->dir);
+
+			// If column is a relationship
+			$p = strrpos($column, '.');
+			if ($p !== false) {
+				$rel = substr($column, 0, $p);
+				$col = substr($column, $p + 1);
+				try {
+					$query->orderByLeftPowerJoins([$rel, $this->orderExpr($col)], $this->dir);
+				} catch(\BadMethodCallException $e) {
+					$class = get_class($query->getModel());
+					throw new \Error("Failed to sort column '$column': '$class' "
+						. "must use 'Kirschbaum\PowerJoins\PowerJoins' "
+						. "trait to be able to sort by relationship.");
+				}
+			} else {
+				$query->orderBy($this->orderExpr($column), $this->dir);
+			}
 		}
 	}