diff --git a/projects/mtg/src/AllAbilities.cpp b/projects/mtg/src/AllAbilities.cpp
index 5c746f583..8c0563b3c 100644
--- a/projects/mtg/src/AllAbilities.cpp
+++ b/projects/mtg/src/AllAbilities.cpp
@@ -3844,7 +3844,7 @@ int ATransformer::destroy()
         }
         if(newtoughnessfound )
         {
-            _target->toughness = oldtoughness;
+            _target->setToughness(oldtoughness);
         }
         if(newAbilityFound)
         {