diff --git a/src/unit_world_state.cpp b/src/unit_world_state.cpp
index 8de6b32..aa0eac5 100644
--- a/src/unit_world_state.cpp
+++ b/src/unit_world_state.cpp
@@ -43,7 +43,7 @@ gd::Variant UnitWorldState::get_world_property(gd::String property) {
 }
 
 gd::String UnitWorldState::get_weapon_animation() const {
-    return "melee_attack";
+    return gd::String("melee_attack");
 }
 
 bool UnitWorldState::get_can_see_target() {