diff --git a/src/main/java/com/sk89q/worldguard/bukkit/cause/Cause.java b/src/main/java/com/sk89q/worldguard/bukkit/cause/Cause.java
index c9adfe32..906f644a 100644
--- a/src/main/java/com/sk89q/worldguard/bukkit/cause/Cause.java
+++ b/src/main/java/com/sk89q/worldguard/bukkit/cause/Cause.java
@@ -22,6 +22,7 @@
 import com.google.common.base.Joiner;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.Projectile;
+import org.bukkit.entity.Vehicle;
 
 import javax.annotation.Nullable;
 import java.util.ArrayList;
@@ -95,6 +96,8 @@ private static void expand(List<Object> list, @Nullable Object ... element) {
 
                 if (o instanceof Projectile) {
                     expand(list, ((Projectile) o).getShooter());
+                } else if (o instanceof Vehicle) {
+                    expand(list, ((Vehicle) o).getPassenger());
                 } else {
                     list.add(o);
                 }