diff --git a/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java b/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java
index 76d5a4b6..2c2165ce 100644
--- a/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java
+++ b/src/main/java/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java
@@ -181,7 +181,7 @@ private void onEntityDamageByBlock(EntityDamageByBlockEvent event) {
     }
 
     private void onEntityDamageByEntity(EntityDamageByEntityEvent event) {
-        if (event.getCause() == DamageCause.PROJECTILE) {
+        if (event.getDamager() instanceof Projectile) {
             onEntityDamageByProjectile(event);
             return;
         }