diff --git a/src/Battling/Flow/ResolveTarget.hpp b/src/Battling/Flow/ResolveTarget.hpp
index 4667151..e8c3d29 100644
--- a/src/Battling/Flow/ResolveTarget.hpp
+++ b/src/Battling/Flow/ResolveTarget.hpp
@@ -105,6 +105,8 @@ namespace CreatureLib::Battling {
                     return {battle->GetCreature(index)};
                 };
             }
+            THROW_CREATURE("Unknown attack target kind: '" << CreatureLib::Library::AttackTargetHelper::ToString(target)
+                                                           << "'.");
         }
     };
 }
diff --git a/src/Library/Exceptions/CreatureException.hpp b/src/Library/Exceptions/CreatureException.hpp
index 8fc500a..c832554 100644
--- a/src/Library/Exceptions/CreatureException.hpp
+++ b/src/Library/Exceptions/CreatureException.hpp
@@ -10,4 +10,8 @@ public:
     virtual ~CreatureException() = default;
 };
 
+#define THROW_CREATURE(message)                                                                                        \
+    std::stringstream ss;                                                                                              \
+    ss << message;                                                                                                     \
+    throw CreatureException(ss.str());
 #endif // CREATURELIB_CREATUREEXCEPTION_HPP