diff --git a/Mage.Sets/src/mage/sets/fatereforged/ShockmawDragon.java b/Mage.Sets/src/mage/sets/fatereforged/ShockmawDragon.java
index 2aa0e3accb8..e27ffa6fdb8 100644
--- a/Mage.Sets/src/mage/sets/fatereforged/ShockmawDragon.java
+++ b/Mage.Sets/src/mage/sets/fatereforged/ShockmawDragon.java
@@ -92,6 +92,7 @@ class ShockmawDragonEffect extends OneShotEffect {
             for (Permanent creature : creatures) {
                 if (creature != null) {
                     creature.damage(1, source.getSourceId(), game, false, true);
+                    return true;
                 }
             }
         }