diff --git a/src/ai/ai_instance.cpp b/src/ai/ai_instance.cpp
--- a/src/ai/ai_instance.cpp
+++ b/src/ai/ai_instance.cpp
@@ -18,6 +18,7 @@
 
 #include "ai_config.hpp"
 #include "ai_gui.hpp"
+#include "ai.hpp"
 
 #include "../script/script_fatalerror.hpp"
 #include "../script/script_suspend.hpp"
@@ -240,6 +241,11 @@ int AIInstance::GetSetting(const char *n
 	return AIConfig::GetConfig(_current_company)->GetSetting(name);
 }
 
+ScriptInfo *AIInstance::FindLibrary(const char *library, int version)
+{
+	return (ScriptInfo *)AI::FindLibrary(library, version);
+}
+
 /**
  * DoCommand callback function for all commands executed by AIs.
  * @param result The result of the command.